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研究業績

国際会議 176件

2026

  1. SiC Substrate Transfer Pushes InGaAs/InP UTC-PDs to Milliwatt J-band Output

    Ming Che, Chengyuan Qian, Zhihui Chen, Hussein Ssali, Shenghong Ye, Bo Li, Kazutoshi Kato

    International Topical Meeting on Microwave Photonics (MWP 2026),Matsue,Japan,Post-deadline session PD2,2026年8月27日

  2. 300-GHz Independent Multi-Beam Steering from a Single Antenna Using Fiber Chromatic Dispersion and a Photomixer Array(新しいタブで開く)

    Masato Kawano, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    Optical Fiber Communication Conference (OFC2026) [Los Angeles, California, United States], Tu3H.4

  3. A Single High-Power SiC-Based UTC-PD Enabling a 40-Gbit/s Two-Channel FDM-THz Link(新しいタブで開く)

    Yoshiki Kamiura, Shinji Iwamoto, Masato Kawano, Tomohiro Tetsumoto, Yuya Mikami, Norihiko Sekine, Tadao Nagatsuma, Tadao Ishibashi, Kazutoshi Kato

    Optical Fiber Communication Conference (OFC2026) [Los Angeles, California, United States], Tu2H.4

2025

  1. High-power 300GHz photomixer on SiC substrate enables high-speed wireless transmission

    Yoshiki Kamiura, Ryo Doi, Shinji Iwamoto, Masato Kawano, Yuya Mikami, Kazutoshi Kato

    1st Joint Workshop on Terahertz and Semiconductor Technologies -Kyushu University – Eindhoven University of Technology-

  2. Terahertz Wave Beam Steering Using Chromatic Dispersion at Optical Fibers by arrayed photomixers

    Masato Kawano, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    1st Joint Workshop on Terahertz and Semiconductor Technologies -Kyushu University – Eindhoven University of Technology-

  3. Generating Enhanced THz Power via an 8 × 1 UTC-PD Array Integrated with a T-Junction Combiner(新しいタブで開く)

    Hussein Ssali, Yoshiki Kamiura, Ming Che, Kazutoshi Kato

    2025 Asia-Pacific Microwave Conference (APMC2025) [Jeju Island, Korea], WB2-3

  4. Cost-effective Photonics-based THz Frequency-division Multiplexer by Electro-optically Tunable RTF Lasers(新しいタブで開く)

    Shenghong Ye, Yiqing Wang, Bo Li, Ryota Kaide, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    30th Microoptics Conference (MOC 2025) [Tochigi, Japan], G-4

  5. Generation of Terahertz Dual-Chirp FMCW Signals Using a Single Wavelength Tunable Laser in a Delayed Self-Multiplexing System(新しいタブで開く)

    Yiqing Wang, Shenghong Ye, Ryota Kaide, Yoshiki Kamiura, Naoto Masutomi, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    30th Microoptics Conference (MOC 2025) [Tochigi, Japan], PO-63

  6. High-Power Broadband Photomixing THz Transmitter Enabling 40-Gbit/s Wireless Links(新しいタブで開く)

    Yoshiki Kamiura, Masato Kawano, Yuya Mikami, Kazutoshi Kato

    30th Microoptics Conference (MOC 2025) [Tochigi, Japan], PO-64

  7. Polarization-Division Multiplexed Terahertz Transmission With a Photonic Dual-Feed 2D Array Antenna(新しいタブで開く)

    Masato Kawano, Yoshiki Kamiura, Ryota Kaide, Shinji Iwamoto, Yuya Mikami, Kazutoshi Kato

    30th Microoptics Conference (MOC 2025) [Tochigi, Japan], G-2

  8. Terahertz Multi-Beam Generation by Photomixer Arrays Using Fiber Chromatic Dispersion(新しいタブで開く)

    Masato Kawano, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    30th Microoptics Conference (MOC 2025) [Tochigi, Japan], PD-2

  9. Cost-effective Single-laser-based Photomixing Architecture For Terahertz Intensity Modulation And Direct Detection(新しいタブで開く)

    Shenghong Ye, Ryota Kaide, Naoto Masutomi, Yiqing Wang, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    50th the International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2025) [Espoo, Finland]

  10. Experimental Demonstration of High-Speed Wavelength-Tunable-Laser-Enabled Frequency Hopping/De-Hopping for Secure 300-GHz band Wireless Communication(新しいタブで開く)

    Ryota Kaide, Shenghong Ye, Naoto Masutomi, Yiqing Wang, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    50th the International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2025) [Espoo, Finland]

  11. High-Speed Repetitive Generation of THz-FMCW Signals Enabled by a Single Wavelength Tunable Laser(新しいタブで開く)

    Yiqing Wang, Shenghong Ye, Naoto Masutomi, Ryota Kaide, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    50th the International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2025) [Espoo, Finland]

  12. Heterogeneous InGaAs/SiC UTC-PDs with Array Antennas Enabling On-Chip THz Wireless Communication(新しいタブで開く)

    Ming Che, Yuanhao Li, Yoshiki Kamiura, Kazutoshi Kato

    European Microwave Week 2025 (EuMW 2025) [Utrecht, the Netherlands]

  13. Demonstration of Polarization Control for a Novel Polarization-Modulated Terahertz Wireless Transmission

    Masato Kawano

    Global Net Workshop (GNW) 2025, No. C000767

  14. Joint FMCW Radar and FSK Communication Enabled by Photonic THz Sources Using Wavelength Tunable Lasers

    Ryota Kaide

    Global Net Workshop (GNW) 2025, No. F001012

  15. Observation of Beat Frequency Signals at InGaN Vacuum-Traveling-Carrier Photodiodes for THz-Wave Generation

    Chen Zhihui

    Global Net Workshop (GNW) 2025, No. F001009

  16. THz Wireless Links and Time-Division Beam Steering Enabled by SiC-Based Photomixer Arrays

    Yoshiki Kamiura

    Global Net Workshop (GNW) 2025, No. F001008

  17. On-Chip Photonic THz Emitter with Integrated InGaAs UTC-PD and 2×2 MPA Array on SiC Substrate

    Ming Che, Yoshiki Kamiura, Ryo Doi, Kazutoshi Kato

    IEEE MTT-S International Microwave Symposium (IMS2025) [San Francisco, CA], Tu2C: THz Photonics: Components and Systems Tu2C-3

  18. Characterizing the Temperature Dependence of Dark Current in Terahertz UTC-PD

    Chen Zhihui

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  19. Demonstration of Long-Distance High-Speed Terahertz Wireless Communication Using a High-Power SiC Photomixer

    Masato Kawano, Yoshiki Kamiura, Shinji Iwamoto, Tomohiro Tetsumoto, Yuya Mikami, Sekine Norihiko, Kazutoshi Kato

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  20. Optical MUX/DEMUX Based FDM-THz Transmission with a Single UTC-PD Transmitter and Wavelength-selective Receiver

    Shinji Iwamoto, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  21. Photomixing-Based Terahertz Joint Radar and Communication Using a Fast-Swept Wavelength Tunable Laser

    Ryota Kaide

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  22. Research on Two-Dimensional Beam Steering for Terahertz Wireless Communication

    Yuanhao Li

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  23. Wavelength-Sweep Characterization of a Tunable DFB Laser Array Toward Dual-Chirp Terahertz Generation with a UTC-PD

    Yang Dongdong

    IEICE MWPTHz TC Symposium 2025 [Taipei, Taiwan]

  24. 300-GHz Beam-Steering Wireless Communication Enabled by Tunable Laser & Chromatic Dispersion(新しいタブで開く)

    Masato Kawano, Yoshiki Kamiura, Li Bo, Yuya Mikami, Kazutoshi Kato

    International Symposium on Antennas and Propagation (ISAP2025) [Fukuoka, Japan], Pos2.26

  25. Integrated Sensing and Communication in the Terahertz Band Enabled by Photomixing Using a High-Speed Wavelength Tunable Laser(新しいタブで開く)

    Ryota Kaide, Shenghong Ye, Yiqing Wang, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    International Symposium on Antennas and Propagation (ISAP2025) [Fukuoka, Japan], Pos1.56

  26. Photonic-Integrated InGaAs/SiC UTC-PD-Fed Microstrip Stub Array Antenna for 300-GHz Fan-Beam Generation(新しいタブで開く)

    Ming Che, Yoshiki Kamiura, Ryo Doi, Kazutoshi Kato

    International Symposium on Antennas and Propagation (ISAP2025) [Fukuoka, Japan], Best Paper Award

  27. Broadband Photomixing-Based THz Transmitter for Multi-Channel High-Speed Wireless Communication(新しいタブで開く)

    Yoshiki Kamiura, Shinji Iwamoto, Ryo Doi, Yuya Mikami, Tadao Ishibashi, Kazutoshi Kato

    International Topical Meeting on Microwave Photonics (MWP 2025) [Québec, Canada]

  28. Compact WDM Terahertz Link With SiC based UTC-PD and High-Speed Envelope Detection(新しいタブで開く)

    Shinji Iwamoto, Yoshiki Kamiura, Ryo Doi, Chengyuan Qian, Yuya Mikami, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    International Topical Meeting on Microwave Photonics (MWP 2025) [Québec, Canada]

  29. Fast and Stable Frequency Tuning of Optoelectronic Terahertz Waves Using Optical Single-Sideband Modulation(新しいタブで開く)

    Bo Li , Tomohiro Tetsumoto, Ming Che, Masato Kawano, Shenghong Ye, Yuya Mikami, Norihiko Sekine, Kazutoshi Kato

    International Topical Meeting on Microwave Photonics (MWP 2025) [Québec, Canada]

  30. THz-wave Rapid Beam Switching and Wireless Transmission Enabled by High-Speed Tunable Laser and Chromatic Dispersion(新しいタブで開く)

    Masato Kawano, Ryota Kaide, Yoshiki Kamiura, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    International Topical Meeting on Microwave Photonics (MWP 2025) [Québec, Canada]

  31. 5-mW 300-GHz THz-wave generator consisting of two SiC-based photomixers and power combiner(新しいタブで開く)

    Yoshiki Kamiura, Ryo Doi, Kentaro Soeda, Kazunori Naganuma, Yoshinori Yamaguchi, Chengyuan Qian, Ming Che, Yuya Mikami, Junji Yumoto, Tadao Nagatuma, Tadao Ishibashi, Kazutoshi Kato

    Optical Fiber Communication Conference (OFC2025) [San Francisco, CA], M2K: Light Source and Integration II

  32. 300 GHz Wave Frequency-Division Multiplexing by a Single Chip Integrated with Arrayed Photomixer/Patch-antenna(新しいタブで開く)

    Yuya Mikami, Yoshiki Kamiura, Hiroki Agemori, Ryo Doi, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], TuC3-4

  33. 300-GHz-Band Wireless Communication Using a Fiber-Coupled UTC-PD/SiC Array with Phase-Coherent and Symbol-Synchronized Power Combination(新しいタブで開く)

    Yuanhao Li, Yoshiki Kamiura, Ryo Doi, Hussein Ssali, Ming Che, Yuya Mikami, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], TuC3-1

  34. Experimental Evaluation of Physically-Secured 300-GHz-Band Wireless Transmission(新しいタブで開く)

    Shinji Iwamoto, Yoshiki Kamiura, Ryo Doi, Yuya Mikami, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], TuC3-3

  35. First demonstration of terahertz FMCW using a single wavelength-tunable laser(新しいタブで開く)

    Yiqing Wang, Shenghong Ye, Naoto Masutomi, Bo Li, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], WH3-3

  36. High-Speed, Wide-Angle THz Beam Steering Enabled by a Tunable Laser and Optical Fiber Chromatic Dispersion(新しいタブで開く)

    Masato Kawano, Ryota Kaide, Aoi Asano, Naoto Masutomi, Ryo Doi, Yoshiki Kamiura, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], TuC3-5

  37. Picosecond-Range Wavelength Switching via Optical Injection Locking in a High-Speed Wavelength Tunable Laser(新しいタブで開く)

    Ryota Kaide, Shenghong Ye, Naoto Masutomi, Shuntaro Kushio, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    OptoElectronics and Communications Conference (OECC2025) [Sapporo, Japan], WP-D-17

  38. On-chip Terahertz Wave Power Enhancement Using an 8 × 1 UTC-PD Array Integrated with Microstrip Antenna and Coupled-line Wilkinson Combiner(新しいタブで開く)

    Hussein Ssali, Yoshiki Kamiura, Kazutoshi Kato

    PhotonIcs and Electromagnetics Research Symposium (PIERS2025) [Chiba, Japan]

  39. 300-GHz Photonic Wireless Link with 5.3 mW Output Power Using Waveguide-Combined UTC-PD/SiC Photomixers(新しいタブで開く)

    Yoshiki Kamiura, Ryo Doi, Shinji Iwamoto, Chengyuan Qian, Yuya Mikami, Tomohiro Tetsumoto, Amalina Athira Ibrahim, Isao Morohashi, Sekine Norihiko, Nagatuma, Tadao Ishibashi, Kazutoshi Kato

    The 51st European Conference on Optical Communication (ECOC2025) [Copenhagen, Denmark], W.02.01 SC 8: Sensing and microwave photonics W.02.01.135

  40. Optoelectronic Beamforming Enabling High-Output THz Sources

    Ming Che

    The 51st European Conference on Optical Communication (ECOC2025) [Copenhagen, Denmark], S.01.08 Workshop 11: Will photonics-enabled THz communication and sensing play a role in 6G?

2024

  1. On-Chip 300-GHz-Band Power Combining with Arrayed InGaAs UTC-PDs and Corporate-Fed 2×2 MPA on SiC Substrate for Wireless Communication(新しいタブで開く)

    Ming Che, Yoshiki Kamiura, Ryo Doi, Hussein Ssali, Hiroki Agemori, Bo Li, Kazutoshi Kato

    2024 IEEE Asia-Pacific Microwave Conference (APMC) [Bali, Indonesia], Active Devices and Circuits, MO-A1, Best Paper Award

  2. Eavesdropping Avoid Terahertz-Wave Frequency Hopping Spread Spectrum FSK System Driven by Ultra-Fast Wavelength Tunable Laser(新しいタブで開く)

    Shenghong Ye, Naoto Matsutomi, Ryo Matsumoto, Ryota Kaide, Bo Li, Ming Che, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    2024 International Topical Meeting on Microwave Photonics (MWP2024) [Pisa, Italy]

  3. Novel Photomixing-based Terahertz-wave Generation/Modulation System with Single Tunable Laser Diode(新しいタブで開く)

    Naoto Masutomi, Shenghong Ye, Yoshiki Kamiura, Ryota Kaide, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    2024 International Topical Meeting on Microwave Photonics (MWP2024) [Pisa, Italy]

  4. Optical-THz Seamless 10-Gbit/s Wireless Communication Based on Cross-Gain Modulation in Semiconductor Optical Amplifier(新しいタブで開く)

    Yoshiki Kamiura, Ryo Doi, Chengyuan Qian, Ming Che, Yuya Mikami, Kazutoshi Kato

    2024 International Topical Meeting on Microwave Photonics (MWP2024) [Pisa, Italy]

  5. Optically-Controlled THz Beam Stabilization for Wideband Wireless Communications(新しいタブで開く)

    Bo Li, Ming Che, Shenghong Ye, Yoshiki Kamiura, Haolan Tang, Masato Kawano, Hussein Ssali, Yuya Mikami, Kazutoshi Kato

    2024 International Topical Meeting on Microwave Photonics (MWP2024) [Pisa, Italy]

  6. 2D phased array antenna integrated with arrayed photomixers for 2D terahertz wave beam steering

    Hiroki Agemori, Ming Che, Ryo Doi, Yoshiki Kamiura, Hussein Ssali, Yuya Mikami, Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session PO: Poster Session 2 PO-63 (Poster Paper Award Candidate)

  7. Fast and linear beat frequency sweeper by tunable-DFB-laser-array based photomixing for terahertz FMCW radar

    Chong Zhang, Shenghong Ye, Bo Li, Haolan Tang, Yuya Mikami, Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session F: Photonic sensing and beam steering technology F-5

  8. FSK terahertz-wave communication using a high-speed wavelength tunable laser

    Ryota Kaide, Naoto Masutomi, Shenghong Ye, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session C: Photonic communication systems & subsystems C-3 Student Paper Award

  9. High-rate chirp spread spectrum secured terahertz communication link

    Shenghong Ye, Naoto Masutomi, Ryota Kaide, Bo Li, Ming Che, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session PO: Poster Session 1 PO-26

  10. High-Speed THz Wave Beam Steering by Optical Frequency Switching of Tunable Laser using Chromatic Dispersion of Optical Fibers

    Aoi Asano, Masato Kawano, Naoto Masutomi, Ryota Kaide, Ryo Doi, Yoshiki Kamiura, Yuya Mikami, Yuta Ueda , Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session F: Photonic sensing and beam steering technology F-3

  11. High-speed wavelength switching on tunable distributed feedback laser array utilizing iterative learning control

    Haolan Tang, Shenghong Ye, Bo Li, Chong Zhang, Naoto Masutomi, Yuya Mikami , Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Session PO: Poster Session 1 PO-22

  12. Sub-nanosecond wavelength switching in high-speed tunable laser enabled by optical injection locking

    Naoto Masutomi, Shenghong Ye, Ryota Kaide, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    29th Microoptics Conference (MOC 2024) [Kaohsiung, Taiwan], Post-deadline papers (In Poster Presentation) PDP-11

  13. 3-mW-Output 300-GHz Ultra-Compact Photonic THz-wave Generator(新しいタブで開く)

    Chengyuan Qian, Ming Che, Yoshiki Kamiura, Ryo Doi, Tadao Ishibashi, Yuya Mikami, Kazutoshi Kato

    29th Opto-Electronics and Communications Conference 2024 (OECC2024) [Melbourne, Australia], Session MoB2 / Track 2 – THZ Devices #188

  14. 300-GHz Beam-Steering Wireless Data Transmission using Arrayed InGaAs Photomixers on SiC Substrate(新しいタブで開く)

    Ryo Doi, Yoshiki Kamiura, Hussein Ssali, Ming Che, Yuya Mikami, Kazutoshi Kato

    29th Opto-Electronics and Communications Conference 2024 (OECC2024) [Melbourne, Australia], Session MoB2 / Track 2 – THZ Devices #337

  15. 300-GHz-wave data transmission enabled by novel THz-wave generation/modulation system based on single laser(新しいタブで開く)

    Naoto Masutomi, Shenghong Ye, Ryo Matsumoto, Takuya Yano, Ryota Kaide, Shinji Iwamoto, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    29th Opto-Electronics and Communications Conference 2024 (OECC2024) [Melbourne, Australia], Session MoB2 / Track 2 – THZ Devices #225

  16. Demonstration of optical-to-terahertz seamless communication by cross-gain modulation at a semiconductor optical amplifier(新しいタブで開く)

    Yoshiki Kamiura, Ryo Doi, Chengyuan Qian, Ming Che, Yuya Mikami, Kazutoshi Kato

    29th Opto-Electronics and Communications Conference 2024 (OECC2024) [Melbourne, Australia], Session MoB2 / Track 2 – THZ Devices #226

  17. 300-GHz band 125-Gbit/s wireless communication enabled by photomixer on SiC substrate

    Ryo Doi, Yoshiki Kamiura, Chengyuan Qian, Yuma Kawamoto, Weijie Gao, Ming Che, Yuya Mikami, Tadao Nagatuma, Tadao Ishibashi, Kazutoshi Kato

    50th European Conference on Optical Communication (ECOC 2024) [Frankfurt, Germany], M2F.2

  18. 300-GHz Beam Steering Wireless Transmission Using SiC-Based 4-Array InGaAs UTC-PDs

    Yoshiki Kamiura, Ryo Doi, Chengyuan Qian, Ming Che, Yuya Mikami, Kazutoshi Kato

    50th European Conference on Optical Communication (ECOC 2024) [Frankfurt, Germany], Th3A4: Post Deadline Session

  19. 300-GHz-band Frequency Hopping with a Single Tunable Laser Diode for Secure THz Communication

    Naoto Masutomi, Shenghong Ye, Bo Li , Ryota Kaide, Ming Che, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    50th European Conference on Optical Communication (ECOC 2024) [Frankfurt, Germany], Poster Session W2A.138

  20. 300-GHz beam steering wireless communication using an array photomixer

    Ryo Doi, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  21. Demonstration of an extension in the bandwidth of 90 GHz photonic terahertz with a waveguide combiner for Beyond 5G/6G

    Ryo Doi, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  22. Demonstration of Physical Layer High Security Terahertz Wave Wireless Communications Using XOR Operations

    Shinji Iwamoto, Takuya Yano, Naoto Masutomi, Yoshiki Kamiura, Ryo Doi, Mikami, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  23. Investigation of Photoemission in InGaN-Based Vacuum-Traveling-Carrier Photodiodes for THzwave Generation

    Chengyuan Qian, Zhihui Chen, Yuanhao Li, Kevin Manuel Ali, Yoshimasa Sugimoto, Hiroyuki Ishii, Tatsuro Maeda, Yoshio Honda, Daiki Sato, Tomohiro Nishitani, Yuya Mikami, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  24. Multilevel FSK Terahertz-Wave Transmission by Photomixing Using Two High-Speed Wavelength Tunable Lasers

    Ryota Kaide, Naoto Masutomi, Shenghong Ye, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  25. Terahertz Wave Beam Scanning using Optical Phased Array

    Masato Kawano, Ryo Doi, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato

    9th Asian Applied Physics Conference [Okinawa, Japan]

  26. Design and Evaluation of Chip Terahertz Wave Power Combiner for Beyond 5G/6G(新しいタブで開く)

    Yoshiki Kamiura, Hussein Ssali, Ryo Doi, Hiroki Agemori, Ming Che, Yuya Mikami, Kazutoshi Kato

    International Conference on Electronics Packaging (ICEP2024) [Toyama, Japan], FE1: Optoelectronics FE1-4

  27. Photonic Frequency Hopping Driven by High-Speed Wavelength Tunable Laser for Secure Terahertz-wave Communication(新しいタブで開く)

    Shenghong Ye, Naoto Masutomi, Bo Li, Ryo Matsumoto, Ryota Kaide, Haolan Tang, Yoshiki Kamiura, Ming Che,Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    Optical Fiber Communication Conference(OFC2024), W4A.3, 2024-3

  28. Demonstration of 300-GHz Optoelectronic Beam Tracking Based on Received Signal Strength

    Bo Li, Ming Che, Shenghong Ye, Yoshiki Kamiura, Ryo Doi, Yuya Mikami, Kazutoshi Kato

    Plasma Application and Hybrid Functionally Materials, P-9, 2024-3

2023

  1. Demonstration of Frequency Hopping in 300-GHz Band by Photomixing using Tunable DFB Laser Array(新しいタブで開く)

    Bo Li, Shenghong Ye, Ming Che, Haolan Tang, Kazutoshi Kato

    28th Microoptics Conference (MOC 2023), E-5, 2023-9

  2. Novel terahertz wave power combining technique by arrayed photomixers(新しいタブで開く)

    Yoshiki Kamiura, Hussein Ssali, Hiroki Agemori, Ryo Doi, Yuya Mikami, Kazutoshi Kato

    28th Microoptics Conference (MOC 2023), PD-1, 2023-9

  3. Terahertz Beam Deflection by Automatic Optical Phase Control(新しいタブで開く)

    Ryo Doi, Kazuya Kondo, Li Bo, Ming Che, Mikami Yuya, Kazutoshi Kato

    28th Microoptics Conference (MOC 2023), E-2, 2023-9

  4. Terahertz wave beam steering by 4-arrayed photomixer using chromatic dispersion at optical fibers(新しいタブで開く)

    Aoi Asano, Ryo Doi, Yuya Mikami, Kazutoshi Kato

    28th Microoptics Conference (MOC 2023), E-3, 2023-9

  5. THz-wave Pulse Frequency-Amplitude Modulation Enabled by Single Wavelength-Tunable Laser(新しいタブで開く)

    Naoto Masutomi, Shenghong Ye, Ryo Matsumoto, Bo Li, Haolan Tang, Yuya Mikami, Yuta Ueda, Kazutoshi Kato

    28th Microoptics Conference (MOC 2023), E-4, 2023-9

  6. Evaluation of frequency stability in pulsed THz-wave by down-conversion method

    Naoto Masutomi, Shenghong Ye, Ryo Matsumoto, Haolan Tang, Ryo Kaide, Yuya Mikami, Kazutoshi Kato

    8th Asian Applied Physics Conference, 26Cp-2, 2023-11

  7. Feasibility characterization of 4-array Patch Antennas for future Two-Dimensional Array

    Ryo Doi, Yoshiki Kamiura, Hiroki Agemori, Hussein Ssali, Ming Che, Yuya Mikami, Kazutoshi Kato

    8th Asian Applied Physics Conference, 26Cp-3, 2023-11

  8. Fiber-coupled UTC-PD Array for THz Beam Steering Assisted by Genetic Algorithm(新しいタブで開く)

    Ming Che, Kazuya Kondo, Ryo Doi, Kazutoshi Kato

    IRMMW2023, Fr-AM-2-5, 2023-9

  9. Demonstration of Combined and Steered 300-GHz Waves via Optoelectronic Phased Array(新しいタブで開く)

    Ming Che, Kazuya Kondo, Ryo Doi, Kazutoshi Kato

    OFC2023, M3D.4, 2023-3

  10. Passive WR3 combiner with a reflector-integrated horn for 50 dB gain

    Ming Che, Kazutoshi Kato

    Photonics West2023, 12420-5, 2023-1

  11. Terahertz Wave Power Enhancement Using T-Junction Connected UTC-PDs on SiC Substrate

    Hussein Ssali, Kazutoshi Kato

    Teratech, WeP-09, 2023-9

  12. Terahertz-Wave Phase Modulation at Photo-mixing by Interferometric Phase Stabilization

    Kazutoshi Kato, Amalina Athira Ibrahim

    Teratech, Fr2-1, 2023-9

2022

  1. Performance Analysis of a Wilkinson Power Combiner-Fed Patch Antenna for 300-GHz Arrayed Photomixers

    Hussein Ssali, Ming Che, Kazutoshi Kato

    10th International Japan-Africa Conference on Electronics, Communications, and Computations (JAC-ECC 2022), 55, 2022-12

  2. Demonstration of Novel THz Wave Generation Based on a Fast Wavelength Switching Laser

    Takashi Shiramizu, Naoya Seiki, Ryo Matsumoto, Naoto Masutomi, Yuya Mikami,Yuta Ueda, Wataru Kobayashi, Fumito Nakajima, Kazutoshi Kato

    27th Microoptics Conference (MOC 2022), Wednesday-1200am, 2022-9

  3. Novel Phase Stabilization Technique at Photomixing-BasedTerahertz Wave Phase Modulation System

    Amalina Athira Ibrahim, Takashi Shiramizu, Hanwei Chen, Yuya Mikami, Kazutoshi Kato

    27th Microoptics Conference (MOC 2022), #1051, 2022-9

  4. THz-Wave Beam Steering with 4-Channel Optical Phased Array

    Kazuya Kondo, Ming Che, Ryo Doi, Kazutoshi Kato

    27th Microoptics Conference (MOC 2022), #1037, 2022-9

  5. Pilot-Lightwave-based Terahertz Wave Phase Stabilization

    Amalina Athira Ibrahim, Takashi Shiramizu, Shenghong Ye, Yuya Mikami, Kazutoshi Kato

    28th International Semiconductor Laser Conference (ISLC 2022), TuP-18, 2022-10

  6. Terahertz-Wave Phase Modulation Enabled by Optical Interferometric Phase Stabilization

    Amallina Athira Ibrahim, Hanwei Chen, Takashi Shiramizu, Yuya Mikami, Kazutoshi Kato

    Asia-Pacific Microwave Conference (APMC 2022), IF-D15, 2022-12

  7. THz-wave intensity modulation by combining a high-speed wavelength-tunable laser and photomixing technique

    Naoya Seiki, Takashi Shiramizu, Ryo Matsumoto, Naoto Masutomi, Yuya Mikami, Yuta Ueda, Fumito Nakajima, Kazutoshi Kato

    Asia-Pacific Microwave Conference (APMC2022), WE1-F4-04, 2022-11

  8. Terahertz Beam Emission by Photonics Technology

    Kazutoshi Kato

    OPIC Optics & Photonics International Congress (OPIC 2022), 2022-4

  9. Feasibility demonstration of terahertz-wave communication with physical-layer security

    Yusuke Kawai, Hanwei Chen, Kazutoshi Kato

    SPIE Photonics West, 2022-02

  10. Full-C-band high-speed high-reliability wavelength switching at tunable DFB laser array with current/temperature cooperative control

    S. Ye, Ming Che, Takeshi Kuboki, Kazutoshi Kato

    SPIE Photonics West, 12021-1, 2022-2

  11. Demonstration of 500 Mbit/s Data Transmission Utilizing Secure Terahertz Communication Enabled by Phased Array UTC-PDs

    Hanwei Chen, Yusuke Kawai, Takuya Yano, Ssali Hussein, Kazutoshi Kato

    Asia-Pacific Microwave Conference (APMC2022), WE1-F4-03, 2022-11

  12. Demonstration of Secure Wireless Transmission at 500 Mbit/s Based on 300-GHz Waves from Separated Transmitters

    Hanwei Chen, Yusuke Kawai, Takuya Yano, Yuya Mikami, Kazutoshi Kato

    27th Microoptics Conference (MOC 2022), Wednesday-11:45am, 2022-9

  13. First Demonstration of 405-nm Two-Tone Lightwave from GaN Laser for High Power Terahertz Wave Generation

    Qingjie Song, Yuya Mikami, Kazutoshi Kato

    27th Microoptics Conference (MOC 2022), #1033, 2022-9

  14. Demonstration of 405-nm Two-Tone Lightwave for Terahertz-wave Generation at InGaN Photodiode

    Qingjie Song, Yuya Mikami, Kazutoshi Kato

    Asia-Pacific Microwave Conference (APMC2022), FR3-F4-05, 2022-12

2021

  1. Demonstration of Data Transmission Based on AND Operation between Two Terahertz Waves for Secure Wireless Communication

    Yusuke Kawai, Kenta Yamauchi, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    2021 International Topical Meeting on Microwave Photonics (MWP), 2021-11

  2. 60-Times Power Enhancement of 300-GHz Terahertz Wave by 8-arrayed UTC-PDs

    K. Kondo, Y. Matsuo, K. Kato

    25th Optoelectronics and Communications Conference (OECC2020), Microoptics Conference (MOC) 2021, F-1, 2021-09

  3. Proposal of an optimal control method for terahertz waves beams using optical phased array

    Kazuya Kondo, Ming Che, Kazutoshi Kato

    25th Optoelectronics and Communications Conference (OECC2020), photonic device workshop B-6, 2021-11

  4. Novel method of terahertz-wave beam steering using optical frequency comb and chromatic dispersion at an optical fiber

    Qingjie Song, Ruo Yamamoto, Takashi Shiramizu, Kazutoshi Kato

    IEICE 74th Joint Conference, 07-2P-15, 2021-09

  5. Experimental Demostration of Full-range High-speed High-reliability Wavelength Switching at DFB laser with Current/Temperature Cooperative control

    Shenghong Ye, Ming Che, Kazutoshi Kato

    Microoptics Conference (MOC), PO-16, 2021-9

  6. Terahertz-Wave Beam Steering by Photomixing with Chromatic Dispersion of Optical Fibers

    T.Saito, S.Takasaka, K.Kato

    Microoptics Conference (MOC), F-2, 2021-09

  7. High-Security Wireless Communication using AND Operation between Two Carriers -Evaluation of the effect of signal intensity ratio and phase difference on BER using two lightwaves-

    Hanwei Chen, Yusuke Kawai, Kazutoshi Kato

    Photonic Device Workshop, 2021-11

  8. Terahertz wave beam-steering by photomixing using phase control of optical waves

    Qingjie Song, Ruo Yamamoto, Takashi Shiramizu, Kazutoshi Kato

    Photonic Device Workshop, 2021-11

  9. 300-GHz Terahertz Wave Beam Steering using 8-arrayed UTC-PDs

    Yuki Matsuo, Kazuya Kondo, Kazutoshi Kato

    PIERS 2021, 0A3a, 2021-11

  10. Demonstration of Bi-directional 400-GHz-wide High-speedHigh-reliability Wavelength Switching at DFB Laser withCurrent/Temperature Cooperative Control

    S. Ye, M. Che, T. Kuboki, K. Kato

    PIERS 2021, SC3, 2021-11

  11. Demonstration of Secure Wireless Communication System Using a Pair of Terahertz-wave Beams

    Yusuke Kawai, Kenta Yamauchi, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    PIERS 2021, 2021-11

  12. Terahertz-Wave Beam Steering by Wavelength Tuning at Dispersive Optical Fibers

    T.Saito, K.Kato

    PIERS 2021, SC3-0A3a, 2021-11

2020

  1. Integrated Terahertz Wave Generator for Wireless Communication with Photonic Technology

    Takeshi Kuboki, Younjin Kim, Haruichi Kanaya, Kazutoshi Kato

    2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), FR1B-3, 2020-09

  2. Gap-Assisted Power Enhancement of THz Wave at Planar Antenna on Semiconductor Substrate

    Ssali Hussein, Kazutoshi Kato

    2020 International Topical Meeting on Microwave Photonics (MWP), P.14, 2020-11

  3. Novel Terahertz-Wave Beam Steering Method by Photomixing with Chromatic Dispersion of Optical Fibers

    Takumi Saito, Kazutoshi Kato

    2020 International Topical Meeting on Microwave Photonics (MWP), P.32, 2020-11

  4. Demonstration of 2-ms High-Reliability Wavelength Switching at TLA with Current/Temperature Cooperative Control(新しいタブで開く)

    Shenghong Ye, Shunta Kono, Yuri Niiya, Ming Che, Takeshi Kuboki, Kazutoshi Kato

    25th Optoelectronics and Communications Conference (OECC2020),P-13,2020-10. はオンライン確認

  5. Generation and Observation of 200-GHz-Repetition Electromagnetic Pulse by THz Autocorrelator

    Kohei Ichiyama, Ruo Yamamoto, Kazutoshi Kato

    25th Optoelectronics and Communications Conference (OECC2020), T8-1.5, 2020-10

  6. Physical encryption method using AND operation between two carriers for high-security wireless communication

    Kenta Yamauchi, Ruo Yamamoto, Ming Che, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    25th Optoelectronics and Communications Conference (OECC2020), T8-1.2, 2020-10

  7. Sub-THz-Repetition Optical Waveform Measurement by Novel THz-wave Autocorrelator

    R. Yamamoto, K. Kato

    25th Optoelectronics and Communications Conference (OECC2020), T8-1.3, 2020-10

  8. THz-Wave Power Multiplication by Parallel-Connection UTC-PDs

    Yuki Matsuo, Ming Che, Haruichi Kanaya, Kazutoshi Kato

    25th Optoelectronics and Communications Conference (OECC2020), T8-1.4, 2020-10

  9. Wide-Range Wavelength Switching at TDA-DFB Laser by Nonlinear Model

    Y. Niiya, S. Kono, T. Kuboki, K. Kato

    25th Optoelectronics and Communications Conference (OECC2020), T4-5.5, 2020-10

  10. Terahertz-wave beam control by photonics technology

    Kazutoshi Kato

    SPIE Optical Engineering + Applications, 11499-1, 2020-08

  11. 600-GHz Wave Generator Consisting of Arrayed Light Sources in Combination with Arrayed Photomixers

    Y. Kim, K. Kato

    The 46th European Conference on Optical Communication (ECOC2020), Th2G-1, 2020-12

  12. Beam forming and steering of terahertz wave by arrayed photomixers

    Kazutoshi Kato

    The 46th European Conference on Optical Communication (ECOC2020), WS10-1, 2020-12

  13. Terahertz Heterodyne AND Operation for Physically Encrypted Wireless Communication

    Kenta Yamauchi, Ruo Yamamoto, Ming Che, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    The 46th European Conference on Optical Communication (ECOC2020), Th2G-4, 2020-12

2019

  1. 100-GHz Optical Waveform Measurement by Novel Lightwave/THz-wave Interferometer

    Ruo Yamamoto, Kohei Ichiyama, Ming Che, Takeshi Kuboki, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    The 5th International Symposium on Microwave/The Science and Applications (MTSA2019), Mo-P2-v-4, 2019-09

  2. 450-GHz-Wave Beam-Steering with 1 kHz Repetition by Optical Phase Control

    Ming Che, Nanami Nishiyama, Kenta Yamauchi, Takeshi Kuboki, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    The 45th European Conference on Optical Communication (ECOC2019), Th.2.C-2, 2019-09

  3. Arrayed Light Sources for Photonic Terahertz Wave Generation

    Younjin Kim, Takeshi Kuboki, Kazutoshi Kato

    The 5th International Symposium on Microwave/The Science and Applications (MTSA2019), We-P3-v-6, 2019-10

  4. Cooperative Control of Injection Current and Temperature at DFB-LD for High-speed High-Reliability Wavelength Switching

    Shunta Kono, Yuri Niiya, Takeshi Kuboki, Kazutoshi Kato

    24th Microoptics Conference (MOC2019), P-41, 2019-11

  5. Demonstration of AND Operation between Two Carriers for Encryption at Secured Terahertz Wave Communication

    Kenta Yamauchi, Kazutoshi Kato

    The 5th International Symposium on Microwave/The Science and Applications (MTSA2019), Tu-P2-m-4, 2019-10

  6. High-Speed Wide-Range Wavelength Switching for Tunable Distributed Amplification (TDA-) DFB Laser Based on Nonlinear Model

    Yuri Niiya, Shunta Kono, Takeshi Kuboki, Kazutoshi Kato

    24th Microoptics Conference (MOC2019), P-20, 2019-11

  7. Impact of AR coating on THz Wave Radiation from Arrayed Photomixers/Antennas

    Nanami Nishiyama, Zhou Yang, Kazutoshi Kato

    The 5th International Symposium on Microwave/The Science and Applications (MTSA2019), We-P3-v-5, 2019-10

  8. Mitigating nonlinearity for VLC with CAP modulation

    Ming Che, Takeshi Kuboki, Kazutoshi Kato

    ICEVLC2019

  9. Photonic Controlling THz-Wave Beam Steeringwith Sub-milliseconds Repetition Period

    Yuta Naito, Kenta Yamauchi, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    Asia-Pacific Microwave Conference (APMC2019), T2-4-4, 2019-12

  10. Trellis Coded Three Dimensional Carrierless Amplitude and Phase Modulation

    Ming Che, Takeshi Kuboki, Kazutoshi Kato

    OECC/PSC 2019, TuP4-B10 (Fukuoka), 2019-07

  11. Generation and Control of Terahertz-Wave Beam by Photonics Technology

    Kazutoshi Kato

    The 5th International Symposium on Microwave/The Science and Applications (MTSA2019), We-P3-v-1, 2019-10

2018

  1. 300-GHz-Repetition Optical Pulse Generation and Measurement for Terahertz Pulse Wave Communication

    Ken Mitsueda, Muhammad Imran, Kazutoshi Kato

    23nd Microoptics Conference (MOC2018), K-3, 2018-10

  2. 600 GHz Wave Combiner Using Arrayed Photomixer

    Nanami Nishiyama, Yang Zhou, Goki Sakano, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    Progress In Electromagnetics Research Symposium (PIERS), 1P14-7, 2018-08

  3. 600-GHz wave beam steering by Terahertz-wave combiner

    Yang Zhou,Goki Sakano, Yusuke Yamanaka, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    Optical Fiber Communiction Conference (OFC2018), M4J.1, 2018-03

  4. 700-GHz Terahertz Wave Beam Combination by Optical Phase Control

    Yang Zhou, Nanami Nishiyama, Hiroshi Ito, Tadao Ishibashi, Kazutoshi Kato

    23nd Microoptics Conference (MOC2018), J-2, 2018-10

  5. Monolithically Integrated Photonics Device for Terahertz Wave Generation

    Y. Kim, T. Kuboki, K. Kato

    23nd Microoptics Conference (MOC2018), F-7, 2018-10

  6. THz-wave Beam Steering by Utilizing Photomixing and Chromatic Dispersion of Two Lightwaves

    Yuta Naito, Yusuke Yamanaka, Nanami Nishiyama, Kazutoshi Kato

    Progress In Electromagnetics Research Symposium (PIERS), 1P14-8, 2018-08

  7. Wavelength Switching Method Accounting for Nonlinearity of Tunable Distributed Amplification DFB laser

    Hiroki Fukuda, Shunta Kono, Takeshi Kuboki, Kazutoshi Kato

    23nd Microoptics Conference (MOC2018), P-57, 2018-10

2017

  1. 4×4 Arrayed THz-wave Combiner Composed Of UTC-PDs And Slot Antennas

    G. Sakano, J. Haruki, K. Tsugami, H. Kanaya, K. Kato

    CLEO-PR/OECC/PGC2017, P3-120, 2017-08

  2. Demonstration of Novel Media Conversion Method from Optical to THz-wave Networks

    Y. Kim, Y. Yamanaka, K. Kato

    CLEO-PR/OECC/PGC2017, 2-4G-3, 2017-08

  3. Fast wavelength stabilization of tunable laser after starting laser oscillation

    Hiroki Fukuda, Kenta Yamaguchi, Takeshi Kuboki, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), P-78, 2017-11

  4. Linearizer for Wavelength Sweep at Tunable DBR-LD and Linearity Evaluation of Sweep

    Masataka Gohara, Ryoga Kimura, Kenta Yamaguchi, Takeshi Kuboki, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), P-82, 2017-11

  5. Novel Measurement Method for Optical Pulse Width at High-Repetition Frequency

    Ken Mitsueda, Yusuke Yamanaka, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), B-3, 2017-11

  6. Optical-to-Wireless Media Conversion by Utilizing Cross Gain Modulation at Semiconductor Optical Amplifier

    Yusuke Yamanaka, Younjin Kim, Takeshi Kuboki, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), A-5, 2017-11

  7. Proposal of cost-efficient and low-complexity platform for software defined visible light communication

    Ming Che, Takeshi Kuboki, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), P-98, 2017-11

  8. Proposal of THz Phase Control System Utilizing Chromatic Dispersion at Optical Device and Its Feasibility Demonstration

    Y. Yamanaka, T. Kuboki, K. Kato

    CLEO-PR/OECC/PGC2017, P1-140, 2017-08

  9. Terahertz Wave Beam Steering by Optical Phase Control

    Yang Zhou, Goki Sakano, Kota Tsugami, Haruichi Kanaya, Kazutoshi Kato

    22nd Microoptics Conference (MOC2017), G-6, 2017-11

2016

  1. 4-Channel Synchronous THz-wave Generator Compoased of Arrayed UTC-PDs and Antennas

    G. Sakano, J. Haruki, K. Sakuma, K. Kato

    OECC/PS 2016, TuE1-4

  2. Coherent THz Power Combiner Consisting of Arrayed Uni-Traveling Carrier Photodiodes and Planar Lightwave Circuitl

    K. Sakuma, Y. Fujimura, S. Takeuchi, K. Kato, S. Hisatake, T. Nagatsuma

    SPIE Photonics West 2016, 9747-59, Feb. 2016

  3. Demonstration of Controlling Chromatic Dispersion at SOA with Mach-Zehnder Interferometric Measurement System

    Y. Yamanaka, Y. Fujimura, K. Kato

    OECC/PS 2016, WA2-100

  4. First demonstration of 300-GHz band wireless transmission with arrayed photomixer

    J. Haruki, Goki. Sakano, K. Sakuma, K. Kato, Y. Inubushi, Y. Fujita, S. Hisatake, T. Nagatsuma

    21st Microoptics Conference, 13A-6

  5. Internal-wavelength-locker based feedforward/feedback co-operative wavelength control for 100 ns wavelength switching

    R. Kimura, Y. Tatsumoto, H. Onji, T. Kuboki, K. Kato

    21st Microoptics Conference

  6. Optical frequency stabilization within ±20MHz of distributed feedback laser controlled by novel feedback algorithm

    J. Tsuboi, T. Kuboki, K. Kato

    21st Microoptics Conference, 13C-18

  7. Sub-millisecond Wavelength Switching of Tunable DFB Laser Array (TLA) with Injection Current Control

    K. Yamaguchi, Y. Tatsumoto, R. Kimura, T. Kuboki, K. Kato

    The 25th International Semiconductor Laser Conference (ISLC2016), WE38, September 14, 2016

  8. Wavelength Selective Filter Based Mach-Zernder Interferometric Phase Stabilization for High-Frequency Carrier Generation

    Y. Fujimura, R. Nakamura, K. Kato

    21st Microoptics Conference 2016

2015

  1. Fast Wavelength Stabilization of Tunable Lasers With the Internal Wavelength Locker

    R. Kimura, Y. Tatsumoto, K, sakuma, H. Onji, M. Shimokozono, H. Ishii, K. Kato

    20th Microoptics Conference (MOC) 2015, H64, Oct. 2015

  2. Fine wavelength stabilization of the DFB laser by photo-mixing with reference wavelengths

    A. Saeki, K. Kato

    The Third International Japan-Egypt Conference on Electronics, Communications and Computers, March 17, 2015

  3. First Demonstration of Mach-Zehnder-Interferometric Phase-Stabilization at Optoelectronic Carrier Generation for Phase-Shift Keying Signal

    K. Sakuma, Y. Fujimura, S. Takeuchi, K. Kato, S. Hisatake, T. Nagatsuma

    OECC 2015

  4. First Demonstration of Mach-Zehnder-Interferometric Phase-Stabilization at Optoelectronic Carrier Using an Integrated Lightwave Circuit

    Y. Fujimura, K. Sakuma, S. Takeuchi, K. Kato, S. Hisatake, T. Nagatsuma

    20th Microoptics Conference (MOC) 2015, H73, Oct. 2015

  5. High-speed, High-Accuracy 400-GHz Wavelength Switching at Tunable Distributed Amplification (TDA-) DFB Laser using Feedforward Control

    Y. Tatsumoto, H. Onji, R. Kimura, H. Ishii, M. Shimokozono, K. Kato

    OECC 2015

  6. Mach-Zehnder Interferometric Phase Stabilization for Optoelectronic Carrier Generation

    K. Sakuma, S. Takeuchi, Y. Fujimura, J. Haruki, K. Kato, S. Hisatake, T. Nagatsuma

    The Third International Japan-Egypt Conference on Electronics, Communications and Computers, March 17, 2015

  7. Novel Lightwave-Interferometric Phase Detection for Phase Stabilization of Two-Tone Coherent Millimeter-Wave/Microwave Carrier Generation

    S. Takeuchi, K. Sakuma, K. Kato, Y. Yoshimizu, Y. Yasuda, S. Hisatake, T. Nagatsuma

    IEICE Trans. Electron., Vol. E99-C, No. 9, pp. 1048-1055, Jan, 2015

  8. Synchronous THz Wave Combiner Consisting of Arrayed Photomixers

    J. Haruki, K. Sakuma, K. Kato

    20th Microoptics Conference (MOC) 2015, H72, Oct. 2015

  9. Wavelength Stabilization within 0.05 GHz with Photomixing Technique and Laser Current Controlling

    J. Tsuboi, T. Kuboki, K. Kato

    20th Microoptics Conference (MOC) 2015, H67, Oct. 2015

  10. Enabling technologies for real-time 50-Gbit/s wireless transmission at 300 GHz

    Tadao Nagatsuma, Kazutoshi Kato, Jeffrey Hesler

    2nd ACM International Conference on Nanoscale Computing and Communication (NANOCOM 2015),2015年9月。九州大学研究者情報で確認

2014

  1. 35 ns Wavelength Switching with +/- 1 GHz Wavelength Accuracy using Tunable Distributed Amplification (TDA-) DFB Lasers

    H. Onji, Y. Tatsumoto, S. Takeuchi, N. Nunoya, M. Shimokozono, H. Ishii, K. Kato

    Photonics in Switching, Advanced Photonics for Communications, WPW4B.3, San Diego, USA, 2014

  2. Coherent Sub-THz Carrier Frequency Transmission with Novel Pseudo-Mach-Zehnder Interferometric Phase Stabilization

    S. Takeuchi, K. Kato, Y. Yoshimizu, Y. Yasuda, S. Hisatake, T. Nagatsuma

    2014 International Topical Meeting on Microwave Photonics (MWP) 2014, TuEF-1, Sapporo, Oct. 2014

  3. Fast wavelength switching with tunable distributed amplification distributed feedback laser by feedforward control technique

    H. Onji, S. Takeuchi, Y. Tatsumoto, N. Nunoya, M. Shimokozono, H. Ishii, K. Kato

    Jpn. J. Appl. Phys., Vol.53, 08MB11, 2014

  4. Fine wavelength stabilization of the DFB laser at the flexible grid by photo-mixing with reference wavelengths

    A. Saeki, K. Kato

    2014 Asia-Pacific Microwave Conference (APMC2014), Sendai, Japan

  5. Stable Wavelength Switching within 50 ns using Tunable Distributed Amplification (TDA-) DFB Lasers

    H. Onji, S. Takeuchi, Y. Tatsumoto, K. Kato, N. Nunoya, M. Shimokozono, H. Ishii

    The 12th International Conference on Optical Internet (COIN), TC1-3, Jeju, Korea, 2014

  6. Sub-THz Carrier Frequency Generation Stabilized by Mach-Zehnder Interferometric Phase Detection Scheme

    S. Takeuchi, K. Kato, S. Hisatake, T. Nagatsuma

    19th Microoptics Conference, Th 4a R10, Nice, France, June 26, 2014

  7. Terahertz Communications Based on Coherent Photonics

    Tadao Nagatsuma, Yasuyuki Yoshimizu, Yu Yasuda, Kazuki Oogimoto, Shogo Horiguchi, Yusuke Minamikata, Shintaro Hisatake, Kazutoshi Kato

    Progress In Electromagnetics Research Symposium (PIERS 2014), Guangzhou, China, Conference abstract, p. 1101

2013

  1. Acceleration of wavelength switchin for tunable distributed amplification (TDA-) DFB lasers

    H. Onji, S. Takeuchi, N. Nunoya, M. Shimokozono, H. Ishii, K. Kato

    18th Microoptics Conference (MOC) 2013

  2. Wavelength stabilization of tunable lasers based on thermal-drift canceler

    S. Takeuchi, H. Onji, N. Nunoya, M. Shimokozono, H. Ishii, K. Kato

    18th Microoptics Conference (MOC) 2013