フェロー／上席特別研究員／特別研究員

表彰

• 令和2年度　電子情報通信学会　論文賞
• 平成24年度 電子情報通信学会　学術奨励賞

客員教授等

• 令和2年より　九州大学客員准教授

論文

• Y. Ueda, Y. Saito, J. Ozaki, Y. Ogiso, T. Shindo, Y. Hashizume, and M. Ishikawa, "Partial Regrowth of Optical-Gain Section for Improved Wafer Process Flexibility of InP Photonic Integrated Circuits," J. Lightw. Technol., vol. 40, No. 8, pp. 2465-2473 (2022) .
• Y. Saito, Y. Ueda, T. Shindo, S. Kanazawa, H. Matsuzaki and M. Ishikawa, "Burst-Tolerant Tuning of Reflection-Type Transversal Filter Laser With Single Active Region," IEEE Photonics Technology Letters, vol. 34, no. 1, pp. 23-26, , (2022).
• Y. Ueda, Y. Hashizume, T. Yamada, H. Matsuzaki, and M. Ishikawa, "Theoretical and experimental investigation of external-stress effect on quantum-well-based semiconductor interferometer performance", Appl. Phys. Express, vol.14, 091005 (2021).
• T. Shindo, Y. Ueda, M. Shimokozono, T. Sato, S. Kanazawa, M. Chen, and H. Matsuzaki, "2.0-μm Wavelength Superstructure-Grating-(SSG-) Distributed Bragg Reflector Laser With Tuning Range of Over 50 nm," IEEE Photon. Technol. Lett., Vol. 33, No. 13, pp. 641-644, (2021).
• Y. Ueda, T. Shindo, S. Kanazawa, N. Fujiwara, and M. Ishikawa, "Electro-optically tunable laser with ultra-low tuning power dissipation and nanosecond-order wavelength switching for coherent networks", Optica, Vol. 7, No. 8, pp.1003-1006 (2020).
• J. Ozaki, Y. Ogiso, T. Jyo, Y. Hashizume, S. Kanazawa, Y. Ueda, M. Nagatani, H. Yamazaki, H. Tanobe, M. Ishikawa, "500-Gb/s/λ Operation of Ultra-low Power and Low-temperature-dependence InP-based High-bandwidth Coherent Driver Modulator", J. Lightw. Technol., Vol. 38, No.18, pp.5086-5091, (2020)
• Y. Ogiso, J. Ozaki, Y. Ueda, H. Wakita, M. Nagatani, H. Yamazaki, M. Nakamura, T. Kobayashi, S. Kanazawa, Y. Hashizume, H. Tanobe, N. Nunoya, M. Ida, Y. Miyamoto, and M. Ishikawa, "80-GHz Bandwidth and 1.5-V Vπ InP-Based IQ Modulator", J. Lightw. Technol., Vol. 38, No. 2, pp.249-255, (2020).
• Y. Ueda, T. Shindo, T. Kanai, M. Shimokozono, N. Fujiwara, H. Ishii, and H. Matsuzaki, "2-μm band active distributed Bragg reflector laser for CO2 gas sensing", Appl. Phys. Express, vol.12, 092011 (2019).
• S. Kanazawa, H. Yamazaki, Y. Ueda, W. Kobayashi, Y. Ogiso, J. Ozaki, T. Shindo, S. Tsunashima, H. Tanobe, A. Aratake, "High-Frequency and Integrated Design Based on Flip-Chip Interconnection Technique (Hi-FIT) for High-Speed (>100 Gbaud) Optical Devices", IEICE Trans. Electron., Vol.E102-C, No.4 pp.340-346 (2019).
• J. Ozaki, Y. Ogiso, Y. Hashizume, S. Kanazawa, Y. Ueda, N. Nunoya, H. Tanobe, and M. Ishikawa, "Up to 80 Gbaud DP-16QAM operation using InP-based high-bandwidth coherent driver modulator", IET Electron. Lett., Vol. 55, No. 17, pp. 951-953 (2019).
• Y. Ueda, Y. Ogiso, N. Kashio, Y. Hashizume, N. Kikuchi, M. Ishikawa and M. Kohtoku, "Compact InP spot-size converter with vertically tapered core layer formed by micro-loading effect", IET Electron. Lett., Vol. 53, No. 12, pp. 797-799 (2017).
• Y. Ogiso, J. Ozaki, Y. Ueda, N. Kashio, N. Kikuchi, E. Yamada, H. Tanobe, S. Kanazawa, H. Yamazaki, Y. Ohiso, T. Fujii, and M. Kohtoku, "Over 67 GHz Bandwidth and 1.5 V Vπ InP-Based Optical IQ Modulator With n-i-p-n Heterostructure", J. Lightw. Technol., Vol. 35, No. 8, pp.1450-1455, (2017).
• S. Kanazawa, Y. Nakanishi, S. Tsunashima, H. Yamazaki, Y. Ueda, W. Kobayashi, Y. Muramoto, H. Ishii, and H. Sanjoh, "Equalizer-Free Transmission of 100-Gb/s 4-PAM Signal Generated by Flip-Chip Interconnection EADFB Laser Module", J. Lightw. Technol., Vol. 35, No. 4, pp.775-780, (2017).
• S. Kanazawa, H. Yamazaki, Y. Nakanishi, Y. Ueda, W. Kobayashi, Y. Muramoto, H. Ishii, and H. Sanjoh, "214-Gb/s 4-PAM Operation of Flip-Chip Interconnection EADFB Laser Module", J. Lightw. Technol., Vol. 35, No. 3, pp.418-422, (2017).
• S. Kanazawa, W. Kobayashi, Y. Ueda, T. Fujisawa, T. Ohno, T. Yoshimatsu, H. Ishii, and H. Sanjoh, "Low-crosstalk operation of directly modulated DFB laser array TOSA for 112-Gbit/s application", Opt. Express, Vol. 24, No. 12, pp.13555-13562 (2016).
• S. Kanazawa, W. Kobayashi, Y. Ueda, T. Fujisawa, K. Takahata, T. Ohno, T. Yoshimatsu, H. Ishii, and H. Sanjoh, "30-km Error-Free Transmission of Directly Modulated DFB Laser Array Transmitter Optical Sub-Assembly for 100-Gb Application", J. Lightw. Technol., Vol. 34, No. 15, pp. 3646-3652(2016).
• Y. Ueda, T. Fujisawa, and M. Kohtoku, "Eight-Channel Reflection-type Transversal Filter for Compact and Easy-to-Fabricate InP-Based Optical Multiplexer", J. Lightw. Technol., Vol. 34, No. 11, pp.2684-2691, (2016).
• S. Kanazawa, T. Fujisawa, K. Takahata, Y. Ueda, H. Ishii, R. Iga, W. Kobayashi, and H. Sanjoh, "Flip-Chip Interconnection Technique for Beyond 100-Gb/s (4 × 25.8-Gb/s) EADFB Laser Array Transmitter", J. Lightw. Technol., Vol. 34, No. 2, pp.296-302, (2016).
• W Kobayashi, S Kanazawa, Y Ueda, T Fujisawa, H Sanjoh, M Itoh, "4× 25.8 Gbit/s (100 Gbit/s) simultaneous operation of InGaAlAs based DML array monolithically integrated with MMI coupler", IET Electron. Lett., Vol. 51, No. 19, pp. 1516-1517 (2015).
• S. Kanazawa, T. Fujisawa, K. Takahata, T. Ito, Y. Ueda, W. Kobayashi, H. Ishii, and H. Sanjoh, "Flip-Chip Interconnection Lumped-Electrode EADFB Laser for 100-Gb/s/ λ Transmitter, IEEE Photon. Technol. Lett., vol.27, No.16,　pp.1699-1701 (2015).
• Y. Ueda, T. Fujisawa, S. Kanazawa, W. Kobayashi, K. Takahata, H. Sanjoh, H. Ishii, and M. Kohtoku, "Low Driving Voltage Operation of MZI-Type EA Modulator Integrated With DFB Laser Using Optical Absorption and Interferometric Extinction", ‎IEEE J. Sel. Top. Quantum Electron., Vol. 21, No. 6, 1501306 (2015).
• W. Kobayashi, M. Arai, T. Fujisawa, T. Sato, T. Ito, K. Hasebe, S. Kanazawa, Y. Ueda, T. Yamanaka, and H. Sanjoh, "Novel approach for chirp and output power compensation applied to a 40-Gbit/s EADFB laser integrated with a short SOA", Opt. Express, Vol. 23, No. 7, pp.9533-9542 (2015).
• S. Kanazawa, T. Fujisawa, H. Ishii, K. Takahata, Y. Ueda, R. Iga and H. Sanjoh," High-Speed (400 Gb/s) Eight-Channel EADFB Laser Array Module Using Flip-Chip Interconnection Technique", IEEE J. Sel. Top. Quantum Electron., Vol. 21, No. 6, 1501106 (2015).
• Y. Ueda, T. Fujisawa, S. Kanazawa, W. Kobayashi, K. Takahata, and H. Ishii, "Very-low-voltage operation of Mach-Zehnder interferometer-type electroabsorption modulator using asymmetric couplers" ,Opt. Express, Vol. 22, No. 12, pp.14610-14616 (2014).
• W. Kobayashi, T. Fujisawa, T. Ito, S. Kanazawa, Y. Ueda, and H. Sanjoh, "Advantages of EADFB laser for 25 Gbaud/s 4-PAM (50 Gbit/s) modulation and 10 km single-mode fibre transmission", IET Electron. Lett., Vol. 50, No. 9, pp. 683-685 (2014).
• Y. Ueda, T. Fujisawa, K. Takahata, M. Kohtoku, and H. Ishii, "InP-based compact transversal filter for monolithically integrated light source array",Opt. Express, Vol. 22, No. 7, pp.7844-7851 (2014).
• T. Fujisawa, S. Kanazawa, Y. Ueda, W. Kobayashi, K. Takahata, A. Ohki, T. Ito, M. Kohtoku, and H. Ishii, "Low-Loss Cascaded Mach-Zehnder Multiplexer Integrated 25-Gbit/s×4-Lane EADFB Laser Array for Future CFP4 100 GbE Transmitter", IEEE J. Quantum. Electron., vol.49, No.12, pp.1001-1007 (2013).
• T. Fujisawa, T. Itoh, S. Kanazawa, K. Takahata, Y. Ueda, R. Iga, H. Sanjo, T. Yamanaka, M. Kotoku, and H. Ishii, "Ultracompact, 160-Gbit/s transmitter optical subassembly based on 40-Gbit/s × 4 monolithically integrated light source", Opt. Express, Vol. 21, No. 1, pp.182-189 (2013).
• Y. Ueda, N. Koyama, K. Kambayashi, S. Fujimoto, K. Utaka, T. Shiota, and T. Kitatani, "4×4 InAlGaAs/InAlAs Optical-Switch Fabric by Cascading Mach-Zehnder Interferometer-Type Optical Switches With Low-Power and Low-Polarization-Dependent Operation", IEEE Photon. Technol. Lett., vol.24, No.9,　pp.757-759 (2012).
• Y. Ueda, S. Nakamura, S. Fujimoto, H. Yamada, K. Utaka, T. Shiota, and T.Kitatani, "Polarization-independent Low-Crosstalk Operation of　InAlGaAs/InAlAs Mach-Zehnder Interferometer-Type Photonic Switch with　Hybrid-waveguide Structure", IEEE Photon. Technol. Lett., vol.21, No.16,　pp.1118-1120 (2009).
• Y. Ueda, S. Nakamura, K. Utaka, T. Shiota, and T. Kitatani, "Very-low-current　and high-speed switching operation of InAlGaAs/InAlAs/InP Mach-Zehnder　interferometer-type photonic switch", Appl. Phys. Express, vol.1, No.9,　092301 (2008).

技術キーワード

半導体波長可変レーザ、光半導体集積回路、光半導体物性、デジタルコヒーレント光通信、光リモートセンシング