Research theme for competitive and other funds (5):
2019 - 2022 On-chip optical synthesizer
2013 - 2016 Silicon photonic wavelength tunable laser diode for next generation optical communication systems
2011 - 2014 Research on hybrid Si/Silica waveguide integrated circuits
2011 - 2012 Broad wavelength light generation using by high optical nonlinear waveguides
2008 - 2009 Light control using photonic elements
Papers (73):
Yamato Misugi, Hideaki Okayama, Tomohiro Kita. Demonstration of 2D beam steering using large-scale passive optical phased array enabled by multimode waveguides with reduced phase error. Applied Physics Express. 2022. 15. 10
Hiroki Kojima, Junichi Fujikata, Tomohiro Kita. High-extinction-ratio Si optical modulator loaded with integrated polarizer. Japanese Journal of Applied Physics. 2022. 61. SK
Toshio Watanabe, Tomonari Sato, Taro Arakawa, Kiichi Hamamoto, Satoshi Iwamoto, Tomohiro Kita, Muneharu Kuwata, Shinichi Saito, Shinji Yamashita. Microoptics. Japanese Journal of Applied Physics. 2022. 61. SK
Tomohiro Kita, Manuel Mendez-Astudillo. Ultrafast Silicon MZI Optical Switch with Periodic Electrodes and Integrated Heat Sink. Journal of Lightwave Technology. 2021. 39. 15. 5054-5060
A. Matsumoto, W. Masuda, K. Akahane, T. Umezawa, N. Yamamoto, T. Kita. 1.55-μm Si-Photonics-Based Heterogeneous Tunable Laser Integrated with Highly Stacked QD-RSOA. 2021 Conference on Lasers and Electro-Optics, CLEO 2021 - Proceedings. 2021
A. Matsumoto, K. Akahane, T. Umezawa, N. Yamamoto, H. Yamada, T. Kita. Demonstration of 1-μm-band Si-photonics-based quantum dot heterogeneous tunable laser. Optics InfoBase Conference Papers. 2018. 2018
A. Matsumoto, T. Umezawa, K. Akahane, N. Yamamoto, H. Yamada, T. Kita. Differential frequency tunable Dual-Mode heterogeneous QD laser with Si PIC. Optics InfoBase Conference Papers. 2017. 2017
Silicon Photonic Wavelength Tunable Lasers for high-capacity optical communication system
(Optical Fiber Communication Conference and Exhibition (OFC) 2017 2017)
Heterogeneous silicon photonic wavelength tunable laser diodes
(The 6th Annual World Congress of Nano Science and Technology-2016(Nano S&T-2016) 2016)
Ultra-compact Wavelength Tunable Quantum Dot Laser with Silicon Photonic External Cavity
(The Conference on Lasers and Electro-Optics(CLEO) 2015)