Keita Yamaguchi

17 papers B 1Journal 4Unranked 12
YearRankTypeTitle / Venue / Authors
2025 — conf
Spot-Size-Adjustable Optical Mediator using 3D-Tapered Silica Waveguides for SiPh/SMF Low-Loss Connection.
OFC
Masashi Ota, Yoshinori Hibino, Mikihiro Kurosawa, Tomomasa Kiyozawa, Ai Yanagihara, Yoshie Morimoto, Keita Yamaguchi, Kenya Suzuki, Osamu Moriwaki
2024 — conf
Double-decker CDC-ROADM node for multi-band network with wavelength band granularity.
OFC
Kenya Suzuki, Masashi Ota, Yoshie Morimoto, Keita Yamaguchi, Fukutaro Hamaoka, Shuto Sugawara, Takeo Sasai, Takayuki Kobayashi, Masanori Nakamura, Satomi Katayose, Takeshi Umeki, Daisuke Ogawa, Yiran Ma, Stefano Camatel, Mitsunori Fukutoku, Yutaka Miyamoto, Osamu Moriwaki
2024 — conf
Highly rectangular SCL-band MUX/DEMUX filter using compact cascaded arrayed waveguide gratings.
OFC
Masashi Ota, Kenya Suzuki, Keita Yamaguchi, Takeshi Umeki, Satomi Katayose, Osamu Moriwaki
2022 — conf
Multiband Optical Switch Technology.
OFC
Takashi Goh, Keita Yamaguchi, Ai Yanagihara
2021 B conf
Resolution Improvement In FZA Lens-Less Camera By Synthesizing Images Captured With Different Mask-Sensor Distances.
ICIP
Xiao Chen, Tomoya Nakamura, Xiuxi Pan, Kazuyuki Tajima, Keita Yamaguchi, Takeshi Shimano, Masahiro Yamaguchi
2020 J jnl
Surface Mount Technology for Silica-Based Planar Lightwave Circuit and Its Application to Compact 16×16 Multicast Switch.
IEICE Trans. Electron.
Ai Yanagihara, Keita Yamaguchi, Takashi Goh, Kenya Suzuki
2019 — conf
6×6 Wavelength Cross Connect with 2-f and 4-f Optical Systems for SDM Photonic Nodes.
OECC/PSC
Kazunori Serio, Akira Isoda, Takayuki Mizuno, Keita Yamaguchi, Kenya Suzuki, Toshikazu Hashimoto, Yutaka Miyamoto
2019 — conf
Compact Silica-based 16 × 16 Multicast Switch with Surface Mount Technology for PLCs.
OECC/PSC
Ai Yanagihara, Keita Yamaguchi, Takashi Goh, Kenya Suzuki
2018 J jnl
Atomistic study of SiN based ReRAM with high program/erase cycle endurance.
IEICE Electron. Express
Keita Yamaguchi, Hiroki Shirakawa, Kenji Shiraishi
2018 — conf
Integrated Wavelength Selective Switch Array for Space Division Multiplexed Network with Ultra-Low Inter-Spatial Channel Crosstalk.
OFC
Keita Yamaguchi, Kazunori Seno, Kenya Suzuki, Hiroki Kawahara, Mitsunori Fukutoku, Toshikazu Hashimoto, Yutaka Miyamoto
2018 — conf
Wide-Passband C+L-Band Wavelength Selective Switch by Alternating Wave-Band Arrangement on LCOS.
ECOC
Kazunori Seno, Keita Yamaguchi, Kenya Suzuki, Toshikazu Hashimoto
2017 — conf
First Demonstration of Subsystem-Modular Optical Crossconnect Using Single-Module 6×6 WSS.
ECOC
Ryota Hashimoto, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Keita Yamaguchi, Kazunori Seno, Kenya Suzuki
2017 J jnl
Possibility of Metal-Oxide-Nitride-Oxide-Semiconductor Memories for Long Lifespan Archive Memories.
IEICE Trans. Electron.
Hiroki Shirakawa, Keita Yamaguchi, Masaaki Araidai, Katsumasa Kamiya, Kenji Shiraishi
2017 — conf
SDM-compatible dynamic gain equalizer using spatial and planar optical circuit.
OFC
Mitsumasa Nakajima, Kenya Suzuki, Keita Yamaguchi, Hirotaka Ono, Hiroki Kawahara, Mitsunori Fukutoku, Takayuki Mizuno, Yutaka Miyamoto, Toshikazu Hashimoto
2016 — conf
In-band OSNR monitors comprising programmable delay line interferometer integrated with wavelength selective switch by spatial and planar optical circuit.
OFC
Mitsumasa Nakajima, Naru Nemoto, Keita Yamaguchi, Joji Yamaguchi, Kenya Suzuki, Toshikazu Hashimoto
2015 — conf
Ultra-high port count wavelength selective switch employing waveguide-based I/O frontend.
OFC
Kenya Suzuki, Yuichiro Ikuma, Etsu Hashimoto, Keita Yamaguchi, Mikitaka Itoh, Tetsuo Takahashi
2011 J jnl
An Atomistic Study on Hydrogenation Effects toward Quality Improvement of Program/Erase Cycle of MONOS-Type Memory.
IEICE Trans. Electron.
Akira Otake, Keita Yamaguchi, Katsumasa Kamiya, Yasuteru Shigeta, Kenji Shiraishi