2015 - 2018 All-optical and coherent signal processing employing higher order nonlinear effects in aperiodically poled lithium niobate devices
2013 - 2016 A study on color-less optical network unit for next generation WDM-PON
2011 - 2015 Ultra-fast and extra-broadband all-optical high-functional signal processing using higher order nonlinear effect in aperiodic quasi-phase matching devices
2004 - 2015 光信号処理
2004 - 2015 Optical signal processing
2008 - 2010 Ultra-fast and ultra-wideband all-optical signal processing usinghigher order nonlinear effect in periodically poled lithium niobate devices
2006 - 2008 A study on effects of fiber nonlinearity onlightwave access systems
Hiroshi Yamamoto, Kouhei Watanabe, Hiroki Date, Daisaku Shimazaki, Yutaka Fukuchi, and Hideki Maeda. Soft-failure identification and localization method based on received optical signal quality and repeater nodes’ performance. The Optical Fiber Communication Conference and Exposition (OFC 2023). 2023. Paper W2A.17
Yutaka Fukuchi and Ryoichi Miyauchi. Optical frequency comb generation from a bismuth-based mode-locked fiber laser. Asia Communications and Photonics Conference and International Conference on Information Photonics and Optical Communications (ACP/IPOC 2022). 2022. 308-311
Genki Abe, Shotaro Umemoto, Ryoichi Miyauchi, and Yutaka Fukuchi. Characteristics of all-optical gate switch employing quasi-phase-matched lithium niobate devices. The 22-nd International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2022). 2022. Paper IS6
Shotaro Umemoto, Ryoichi Miyauchi, Yu Muramatsu, Genki Abe, and Yutaka Fukuchi. The novel correction technique for PVT variation of CMOS operational amplifier using digital assist. The 37-th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2022). 2022. Paper 1570801419
Yutaka Fukuchi and Ryoichi Miyauchi. Characteristics of all-optical retiming switches employing cascaded second-order nonlinearities in QPM-PPLN waveguide devices: pattern effects of device fabrication errors. The 43-rd PhotonIcs and Electromagnetics Research Symposium (PIERS 2021). 2021. Paper P3P0web.8
Optical frequency comb source employing a short bismuth-based nonlinear erbium-doped fiber
(The 12-th International Conference on Electronics, Communications and Networks (CECNET 2022), Paper CNT3022 (Invited), p. 25 2022)
Characteristics of bismuth-based frequency comb laser
(International Meet on Nanotechnology (NANOMEET 2022), Paper Day 1 Virtual Presentations 11:40-12:05 (Invited) 2022)
Characteristics of bismuth-based frequency comb laser
(Lasers, Optics and Photonics World Forum (OPTICS 2022), Paper Day 2 Virtual Presentations 11:55-12:20 (Invited) 2022)