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Research Output 1989 2019

2019

600 GHz wideband planar array antenna on a chip

Kanaya, H., Tsugami, K., Zhou, Y. & Kato, K., Jan 1 2019, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII. Sadwick, L. P. & Yang, T. (eds.). SPIE, 109171P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10917).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Antenna Arrays
antenna arrays
Antenna arrays
Antenna
Chip

700 GHz terahertz wave beam combination by optical phase control

Zhou, Y., Nishiyama, N., Ito, H., Ishibashi, T. & Kato, K., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, SJ, SJJE03.

Research output: Contribution to journalArticle

Open Access
Terahertz waves
Phase control
phase control
Antenna arrays
Photonics
Amplitude modulation
Phase modulation
phase modulation
optical communication
telecommunication

Theoretical analysis of long-haul systems adopting mode-division multiplexing

Elfiqi, A. E., Ali, A. A. I., El-Sahn, Z. A., Kato, K. & Shalaby, H. M. H., Aug 15 2019, In : Optics Communications. 445, p. 10-18 9 p.

Research output: Contribution to journalArticle

Group delay
multiplexing
Multiplexing
division
Fibers

Trellis Coded Three Dimensional Carrierless Amplitude and Phase Modulation

Che, M., Kuboki, T. & Kato, K., Jul 1 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Institute of Electrical and Electronics Engineers Inc., 8818137. (OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amplitude modulation
Phase modulation
phase modulation
Modulation
modulation
2018
3 Citations (Scopus)

600-GHz-band Waveguide-output Uni-traveling-carrier Photodiodes and Their Applications to Wireless Communication

Nagatsuma, T., Kurokawa, T., Sonoda, M., Ishibashi, T., Shimizu, M. & Kato, K., Aug 17 2018, Proceedings of the 2018 IEEE/MTT-S International Microwave Symposium, IMS 2018. Institute of Electrical and Electronics Engineers Inc., p. 1180-1183 4 p. 8439226. (IEEE MTT-S International Microwave Symposium Digest; vol. 2018-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

wireless communication
Photodiodes
photodiodes
Waveguides
waveguides

600-GHz-wave beam steering by terahertz-wave combiner

Zhou, Y., Sakano, G., Yamanaka, Y., Ito, H., Ishibashi, T. & Kato, K., Jun 13 2018, 2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p. (2018 Optical Fiber Communications Conference and Exposition, OFC 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Wave power
Phase control
phase control
beam steering

600-GHz-wave beam steering by terahertz-wave combiner

Zhou, Y., Sakano, G., Yamanaka, Y., Ito, H., Ishibashi, T. & Kato, K., Jan 1 2018, Optical Fiber Communication Conference, OFC 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F84-OFC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Wave power
Phase control
Phase shift
Tuning
1 Citation (Scopus)

Development of 4x4 phased array antenna on chip for 300GHz band application

Kanaya, H., Tsugami, K., Sakano, G., Eu, G. C. & Kato, K., Jan 1 2018, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI. Sadwick, L. P. & Yang, T. (eds.). SPIE, 1053114. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10531).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phased Array
Antenna phased arrays
phased arrays
Antenna
Chip

Dimmable Optical OFDM Based on Discrete Hartley Transform for Indoor Visible Light Illumination and Communication

Che, M., Kuboki, T. & Kato, K., Jul 1 2018, 23rd Opto-Electronics and Communications Conference, OECC 2018. Institute of Electrical and Electronics Engineers Inc., 8730028. (23rd Opto-Electronics and Communications Conference, OECC 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Light emitting diodes
Light sources
optical communication
light sources
feedforward control
Feedforward control
Distributed feedback lasers
distributed feedback lasers
feedback control
feedforward control
distributed feedback lasers
feedback control
stabilization
high speed

Linearizer for wavelength sweep at tunable DBR-LD and linearity evaluation of sweep

Gohara, M., Kimura, R., Yamaguchi, K., Kuboki, T. & Kato, K., Jan 2 2018, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 298-299 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

linearity
DBR lasers
Germanium
Wavelength
evaluation

Novel measurement method for optical pulse width at high-repetition frequency

Mitsueda, K., Yamanaka, Y. & Kato, K., Jan 2 2018, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 52-53 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Laser pulses
repetition
pulse duration
Interferometers
interferometers
3 Citations (Scopus)

Over 300 GHz bandwidth UTC-PD module with 600 GHz band rectangular-waveguide output

Kurokawa, T., Ishibashi, T., Shimizu, M., Kato, K. & Nagatsuma, T., May 31 2018, In : Electronics Letters. 54, 11, p. 705-706 2 p.

Research output: Contribution to journalArticle

Rectangular waveguides
Photodiodes
Bandwidth
Waveguide couplers
Waveguides

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

Che, M., Kuboki, T. & Kato, K., Jan 2 2018, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 330-331 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

optical communication
proposals
platforms
bandwidth
costs

注入電流と温度の連携制御によるDFBレーザの波長安定化法の提案

Kono, S., Fukuda, H., Yamaguchi, K., Kuboki, T. & Kato, K., Mar 2018, In : 電子情報通信学会総合大会講演論文集.

Research output: Contribution to journalArticle

2017

4 × 4 arrayed THz-wave combiner composed of UTC-PDs and slot antennas

Sakano, G., Haruki, J., Tsugami, K., Kanaya, H. & Kato, K., Jan 1 2017, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2017. OSA - The Optical Society, s2348. (Optics InfoBase Conference Papers; vol. Part F122-CLEOPR 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Slot antennas

4 × 4 Arrayed THz-wave combiner composed of UTC-PDs and slot antennas

Sakano, G., Haruki, J., Tsugami, K., Kanaya, H. & Kato, K., Nov 22 2017, 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-2 2 p. (2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power gain
slot antennas
Slot antennas
linear arrays
antennas
3 Citations (Scopus)

4x4 planar array antenna on indium phosphide substrate for 0.3-THz band application

Kanaya, H., Koga, M., Tsugami, K., Eu, G. C. & Kato, K., Jan 1 2017, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications X 2017. Yang, T. & Sadwick, L. P. (eds.). SPIE, 101031N. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10103).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Indium phosphide
indium phosphides
Antenna Arrays
antenna arrays
Antenna arrays
1 Citation (Scopus)

An Accurate and Robust In-phase/Quadrature Skew Measurement for Coherent Optical Transmitter by Image Spectrum Analyzing

Chen, H., Su, X., Tao, Z., Oyama, T., Nakashima, H., Hoshida, T. & Kato, K., Sep 21 2017, 43rd European Conference on Optical Communication, ECOC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-3 3 p. (European Conference on Optical Communication, ECOC; vol. 2017-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modulators
Mach number
Experiments
Optical transmitters

Demonstration of novel media conversion method from optical to THz-wave networks

Kim, Y., Yamanaka, Y. & Kato, K., Jan 1 2017, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2017. OSA - The Optical Society, s2344. (Optics InfoBase Conference Papers; vol. Part F122-CLEOPR 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Demonstrations
Wavelength
Optical communication
Modulation

Demonstration of novel media conversion method from optical to THz-wave networks

Kim, Y., Yamanaka, Y. & Kato, K., Nov 22 2017, 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-2 2 p. (2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Demonstrations
Wavelength
Optical communication
wavelengths
optical communication
1 Citation (Scopus)

Fast wavelength stabilization of tunable laser after starting laser oscillation

Fukuda, H., Yamaguchi, K., Kuboki, T. & Kato, K., Nov 19 2017, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-November. p. 290-291 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Laser tuning
tunable lasers
Stabilization
stabilization
Wavelength

Impact of linear mode-coupling on nonlinear performance of long-haul strong-coupled multicore fibers transmission

El-Fiqi, A. E., Shalaby, H. M. H. & Kato, K., Jan 23 2017, 2016 IEEE Photonics Conference, IPC 2016. Institute of Electrical and Electronics Engineers Inc., p. 530-531 2 p. 7831215. (2016 IEEE Photonics Conference, IPC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

coupled modes
fibers
Fibers
random noise
nonlinearity

Optical-to-wireless media conversion by utilizing cross gain modulation at semiconductor optical amplifier

Yamanaka, Y., Kim, Y., Kuboki, T. & Kato, K., Nov 19 2017, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., p. 42-43 2 p. (22nd Microoptics Conference, MOC 2017; vol. 2017-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Semiconductor optical amplifiers
Service oriented architecture (SOA)
light amplifiers
Data communication systems
Modulation

Proposal of THz phase control system utilizing chromatic dispersion at optical device and its feasibility demonstration

Yamanaka, Y., Kuboki, T. & Kato, K., Nov 17 2017, 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-2 2 p. (2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017; vol. 2017-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chromatic dispersion
Phase control
Optical devices
Demonstrations
Control systems

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

Yamanaka, Y., Kuboki, T. & Kato, K., Aug 2017, CLEO-PR/OECC/PGC2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz wave beam steering by optical phase control

Zhou, Y., Sakano, G., Tsugami, K., Kanaya, H. & Kato, K., Nov 19 2017, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., p. 124-125 2 p. (22nd Microoptics Conference, MOC 2017; vol. 2017-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Phase control
phase control
beam steering
Demonstrations

THz-wave phase shift measurement by THz-wave interferometer

Yamanaka, Y., Sakano, G., Haruki, J. & Kato, K., Jun 22 2017, In : Electronics Letters. 53, 13, p. 868-869 2 p.

Research output: Contribution to journalArticle

Terahertz waves
Phase shift
Interferometers
Chromatic dispersion
Phase shifters

エタロンフィルタを用いたチューナブルレーザのモードホップ検出手法 (光エレクトロニクス)

Translated title of the contribution: Etalon-filter-based mode hop detection for wavelength tunable lasers郷原誠鷹, 久保木猛 & 加藤和利, Dec 7 2017, In : IEICE technical report. 117, 339, p. 75-78 4 p.

Research output: Contribution to journalArticle

フォトミキシングと相互利得変調を用いた光-無線メディア変換技術の検討 (光エレクトロニクス)

Translated title of the contribution: Demonstration of Optical-to-Wireless Media Conversion by Using Photomixing and Cross Gain Modulation山中友輔, 久保木猛 & 加藤和利, Oct 26 2017, In : IEICE technical report. 117, 264, p. 53-56 4 p.

Research output: Contribution to journalArticle

リニアライザによるDBRレーザの波長掃引線形化とその評価

Gohara, M., Kimura, R., Yamaguchi, K., Kuboki, T. & Kato, K., Sep 2017, In : 電子情報通信学会ソサイエティ大会講演論文集.

Research output: Contribution to journalArticle

波長可変レーザにおける発振直後の光波長高速安定化 (光エレクトロニクス)

Translated title of the contribution: Prompt Stabilization of Optical Wavelength at Tunable Laser after Starting Oscillation福田浩規, 山口健太, 久保木猛 & 加藤和利, Dec 7 2017, In : IEICE technical report. 117, 339, p. 83-87 5 p.

Research output: Contribution to journalArticle

波長可変レーザ発振直後における高速波長安定化

Fukuda, H., Yamaguchi, K., Kuboki, T. & Kato, K., Sep 2017, In : 電子情報通信学会ソサイエティ大会講演論文集.

Research output: Contribution to journalArticle

非線形電圧電流特性を応用したレーザ波長掃引の線形性向上の検討

Kuboki, T., Gohara, M., Kimura, R., Yamaguchi, K. & Kato, K., Mar 2017, In : 応用物理学会秋季学術大会.

Research output: Contribution to journalArticle

2016
4 Citations (Scopus)

300 GHz one-sided directional slot array antenna on indium phosphide substrate

Kanaya, H., Oda, T., Iizasa, N. & Kato, K., Apr 4 2016, 2015 International Symposium on Antennas and Propagation, ISAP 2015. Institute of Electrical and Electronics Engineers Inc., 7447277. (2015 International Symposium on Antennas and Propagation, ISAP 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Indium phosphide
indium phosphides
antenna arrays
Antenna arrays
slots
3 Citations (Scopus)

4-channel synchronous THz-wave generatorcomposed of arrayed UTC-PDs and antennas

Sakano, G., Haruki, J., Sakuma, K. & Kato, K., Oct 26 2016, 2016 21st OptoElectronics and Communications Conference, OECC 2016 - Held Jointly with 2016 International Conference on Photonics in Switching, PS 2016. Institute of Electrical and Electronics Engineers Inc., 7718383

Research output: Chapter in Book/Report/Conference proceedingConference contribution

generators
antennas
Antennas

C-14-24 基準光とのビート信号直接計数によるDFBレーザの高精度波長安定化(C-14.マイクロ波・ミリ波フォトニクス,一般セッション)

Translated title of the contribution: C-14-24 Wavelength Stabilization of the DFB Laser by Counting the Frequency of the Beat Signal with Reference Lightwaves三井晨太郎, 坪井淳, 久保木猛 & 加藤和利, Mar 1 2016, In : 電子情報通信学会総合大会講演論文集. 2016, 1, p. 249

Research output: Contribution to journalArticle

C-14-25 波長選択フィルタを用いたマッハ・ツェンダ型二光波位相安定化法によるキャリア周波数生成(C-14.マイクロ波・ミリ波フォトニクス,一般セッション)

Translated title of the contribution: C-14-25 Carrier Frequency Generation by Mach-Zehnder Interferometric Phase Stabilization with Wavelength Selective Filter中村瞭平, 藤村勇起, 久保木猛 & 加藤和利, Mar 1 2016, In : 電子情報通信学会総合大会講演論文集. 2016, 1, p. 250

Research output: Contribution to journalArticle

C-3-2 フィードフォワード制御による光通信用DFBレーザの波長切替時間の短縮(C-3.光エレクトロニクス,一般セッション)

Translated title of the contribution: C-3-2 Reduction of Wavelength Switching time of Telecom Lasers by Feedforward Control山口健太, 立本雄大, 木村凌河, 久保木猛 & 加藤和利, Mar 1 2016, In : 電子情報通信学会総合大会講演論文集. 2016, 1, p. 140

Research output: Contribution to journalArticle

C-3-7 高精度広キャプチャレンジDFB-LD波長安定化制御(C-3.光エレクトロニクス,一般セッション)

Translated title of the contribution: C-3-7 Wavelength Stabilization of DFB-LD with High Accuracy and Wide Capture Range坪井淳, 三井晨太郎, 久保木猛 & 加藤和利, Mar 1 2016, In : 電子情報通信学会総合大会講演論文集. 2016, 1, p. 145

Research output: Contribution to journalArticle

2 Citations (Scopus)

Coherent THz wave combiner composed of arrayed uni-traveling carrier photodiodes and planar lightwave circuit

Sakuma, K., Haruki, J., Sakano, G., Kato, K., Hisatake, S. & Nagatsuma, T., Jan 1 2016, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX. Sadwick, L. P. & Yang, T. (eds.). SPIE, Vol. 9747. 97471O

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase control
phase control
Photodiode
Photodiodes
photodiodes