Recent Advances in Large-scale Optical Switches Based on Silicon Photonics. - Suzuki, Keijiro; Konoike, Ryotaro; Matsuura, Hiroyuki; Matsumoto, Ryosuke; Inoue, Takashi; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2022)

Progress and Future Prospect of Silicon Photonics Based Large Scale Optical Switches. - Ikeda, Kazuhiro; Suzuki, Keijiro; Konoike, Ryotaro; Namiki, Shu; Kawashima, Hitoshi (2022)

Design of a Hybrid Wavelength Selective Crossconnect Utilizing a Silicon Optical Switch Array. - Moriya, Yuki; Nakamura, Fumi; Kobayashi, Kunio; Kawashima, Hitoshi; Chen, Haoshuo; Tsuda, Hiroyuki (2022)

5.5%-Δ-PLC/Silicon Photonics Hybrid Wavelength MUX/DEMUX-and-Switch Device. - Ikeda, Kazuhiro; Matsubara, Noritaka; Hasegawa, Junichi; Konoike, Ryotaro; Matsuura, Hiroyuki; Suzuki, Keijiro; Kawashima, Hitoshi (2021)

Strictly Non-Blocking Silicon Photonics Switches. - Suzuki, Keijiro; Konoike, Ryotaro; Suda, Satoshi; Matsuura, Hiroyuki; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (IEICE Trans. Electron., 2020)

5.7-dB Fiber-to-Fiber Loss 8 × 8 Silicon Photonics Switch with Port-Alternated Switch-and-Select Architecture. - Konoike, Ryotaro; Suzuki, Keijiro; Kawashima, Hitoshi; Ikeda, Kazuhiro (2020)

O-Band Strictly Non-Blocking 8 × 8 Silicon-Photonics Switch. - Suzuki, Keijiro; Konoike, Ryotaro; Cong, Guangwei; Yamada, Koji; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2020)

Impact of quality trimming on the efficiency of reads joining and diversity analysis of Illumina paired-end reads in the context of QIIME1 and QIIME2 microbiome analysis frameworks. - Mohsen, Attayeb; Park, Jonguk; Chen, Yi-An; Kawashima, Hitoshi; Mizuguchi, Kenji (BMC Bioinform., 2019)

Computational Model To Predict the Fraction of Unbound Drug in the Brain. - Esaki, Tsuyoshi; Ohashi, Rikiya; Watanabe, Reiko; Natsume-Kitatani, Yayoi; Kawashima, Hitoshi; Nagao, Chioko; Mizuguchi, Kenji (J. Chem. Inf. Model., 2019)

A 300-mm-wafer silicon photonics technology for advanced information systems. - Yamada, Koji; Cong, Guangwei; Okano, Makoto; Maegami, Yuriko; Ohno, Morifumi; Suzuki, Keijiro; Suda, Satoshi; Konoike, Ryotaro; Ikeda, Kazuhiro; Kawashima, Hitoshi; Horikawa, Tsuyoshi; Namiki, Shu; et al. (2019)

Low-Loss, Low-Crosstalk, and Large-Scale Silicon Photonics Switch. - Suzuki, Keijiro; Konoike, Ryotaro; Suda, Satoshi; Matsuura, Hiroyuki; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2019)

Polarization-Diversity 32 × 32 Si Photonics Switch with Non-Duplicate Diversity Circuit in Double-Layer Platform. - Suzuki, Keijiro; Konoike, Ryotaro; Yokoyama, Nobuyuki; Seki, Miyoshi; Ohtsuka, Minoru; Saitoh, Shigeru; Suda, Satoshi; Matsuura, Hiroyuki; Yamada, Koji; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2019)

Low-Crosstalk Bandwidth Expansion in $32× 32$ Silicon Optical Switch with Port-Exchanged Mach-Zehnder Switch. - Suzuki, Keijiro; Konoike, Ryotaro; Suda, Satoshi; Matsuura, Hiroyuki; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2019)

Silicon photonics based 1 × 2 wavelength selective switch using fold-back arrayed-waveguide gratings. - Nakamura, Fumi; Asakura, Hideaki; Suzuki, Keijiro; Tanizawa, Ken; Ohtsuka, Minoru; Yokoyama, Nobuyuki; Matsumaro, Kazuyuki; Seki, Miyoshi; Koshino, Keiji; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi; et al. (IEICE Electron. Express, 2018)

Ultra-Compact Silicon Photonics Switch with Ultra-Dense Thermo-Optic MZI Matrix and Multi-Layer Wiring. - Konoike, Ryotaro; Suzuki, Keijiro; Namiki, Shu; Kawashima, Hitoshi; Ikeda, Kazuhiro (2018)

Fast Optical Circuit Switch Using Monolithically Integrated Silicon-Photonic Space Switch and Wavelength-Tuneable Filter. - Mori, Yojiro; Ganbold, Mungun-Erdene; Shiraki, Ryuta; Suzuki, Keijiro; Matsuura, Hiroyuki; Kawashima, Hitoshi; Namiki, Shu; Ikeda, Kazuhiro; Sato, Ken-ichi (2018)

32-Port 5.5%-Δ Silica-Based Connecting Device for Low-Loss Coupling between SMFs and Silicon Waveguides. - Hasegawa, Junichi; Ikeda, Kazuhiro; Suzuki, Keijiro; Yamasaki, Shintaro; Kobayashi, Go; Takahashi, Masanori; Kawashima, Hitoshi (2018)

Lossless Operation of SOA-Integrated Silicon Photonics Switch for 8 × 32-Gbaud 16-QAM WDM Signals. - Konoike, Ryotaro; Suzuki, Keijiro; Inoue, Takashi; Matsumoto, Takeshi; Kurahashi, Teruo; Uetake, Ayahito; Takabayashi, Kazumasa; Akiyama, Suguru; Sekiguchi, Shigeaki; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2018)

In-line Optical Amplification for Silicon Photonics Platform by Flip-Chip Bonded InP-SOAs. - Matsumoto, Takeshi; Kurahashi, Teruo; Konoike, Ryotaro; Tanizawa, Ken; Suzuki, Keijiro; Uetake, Ayahito; Takabayashi, Kazumasa; Ikeda, Kazuhiro; Kawashima, Hitoshi; Akiyama, Suguru; Sekiguchi, Shigeaki (2018)

Fast Frequency Tuning of Silicon-Photonic Thermo-optic MZI Filters using "Turbo Pulse" Method. - Matsuura, Hiroyuki; Suzuki, Keijiro; Suda, Satoshi; Ikeda, Kazuhiro; Kawashima, Hitoshi; Namiki, Shu (2018)

Low Insertion Loss and Power Efficient 32 × 32 Silicon Photonics Switch with Extremely-High-Δ PLC Connector. - Suzuki, Keijiro; Konoike, Ryotaro; Hasegawa, Junichi; Suda, Satoshi; Matsuura, Hiroyuki; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2018)

Reconfigurable 3-Channel All-Optical MIMO Circuit on Silicon Based on Multi-Plane Light Conversion. - Tang, Rui; Tanemura, Takuo; Ghosh, Samir; Suzuki, Keijiro; Tanizawa, Ken; Ikeda, Kazuhiro; Kawashima, Hitoshi; Nakano, Yoshiaki (2018)

Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch. - Sugiyama, Koki; Chiba, Takafumi; Tanizawa, Ken; Suzuki, Keijiro; Kawashima, Takayuki; Kawakami, Shojiro; Ikeda, Kazuhiro; Kawashima, Hitoshi; Takahashi, Hiroshi; Tsuda, Hiroyuki (IEICE Electron. Express, 2017)

2.5-dB loss, 100-nm Operating Bandwidth, and Low Power Consumption Strictly-Non-Blocking 8 × 8 Si Switch. - Suzuki, Keijiro; Tanizawa, Ken; Suda, Satoshi; Matsuura, Hiroyuki; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2017)

Accelerating switching speed of thermo-optic MZI silicon-photonic switches with "turbo pulse" in PWM control. - Matsuura, Hiroyuki; Suda, Satoshi; Tanizawa, Ken; Suzuki, Keijiro; Ikeda, Kazuhiro; Kawashima, Hitoshi; Namiki, Shu (2017)

Silicon-photonics polarization-insensitive broadband strictly-non-blocking 8 × 8 blade switch. - Suzuki, Keijiro; Tanizawa, Ken; Suda, Satoshi; Matsuura, Hiroyuki; Inoue, Takashi; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2017)

Fully integrated non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch. - Tanizawa, Ken; Suzuki, Keijiro; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2017)

Multi-port optical switch based on silicon photonics. - Kawashima, Hitoshi; Suzuki, Keijiro; Tanizawa, Ken; Suda, Satoshi; Cong, Guangwei; Matsuura, Hiroyuki; Namiki, Shu; Ikeda, Kazuhiro (2016)

In-line optical amplification for Si waveguides on 1×8 splitter and selector by flip-chip bonded InP-SOAs. - Matsumoto, Takeshi; Kurahashi, Teruo; Tanizawa, Ken; Suzuki, Keijiro; Uetake, Ayahito; Takabayashi, Kazumasa; Ikeda, Kazuhiro; Kawashima, Hitoshi; Akiyama, Suguru (2016)

Novel PILOSS port assignment for compact polarization-diversity Si-wire optical switch. - Tanizawa, Ken; Suzuki, Keijiro; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2016)

Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography. - Muramatsu, Kyosuke; Asakura, Hideaki; Suzuki, Keijiro; Tanizawa, Ken; Toyama, Munehiro; Ohtsuka, Minoru; Yokoyama, Nobuyuki; Matsumaro, Kazuyuki; Seki, Miyoshi; Koshino, Keiji; Ikeda, Kazuhiro; Namiki, Shu; et al. (IEICE Electron. Express, 2015)

In-band OSNR monitor based on 3 × 3 Si-wire MMI coupler. - Tanizawa, Ken; Sorimoto, Keisuke; Suzuki, Keijiro; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (2015)

Power-efficient gray-scale control of silicon thermo-optic phase shifters by pulse width modulation using monolithically integrated MOSFET. - Cong, Guangwei; Matsukawa, Takashi; Suzuki, Keijiro; Tanizawa, Ken; Kim, Sang-Hun; Chiba, Tadashi; Tadokoro, Hirofumi; Yanagihara, Masashi; Ohno, Morifumi; Kuwatsuka, Haruhiko; Igarashi, Yasushi; Masahara, Meishoku; et al. (2015)

32×32 strictly non-blocking Si-wire optical switch on ultra-small die of 11×25 mm2. - Tanizawa, Ken; Suzuki, Keijiro; Toyama, Munehiro; Ohtsuka, Minoru; Yokoyama, Nobuyuki; Matsumaro, Kazuyuki; Seki, Miyoshi; Koshino, Keiji; Sugaya, Toshio; Suda, Satoshi; Cong, Guangwei; Kimura, Toshio; et al. (2015)

Ultra-compact, self-holding asymmetric Mach-Zehnder interferometer switch using Ge2Sb2Te5 phase-change material. - Moriyama, Takumi; Tanaka, Daiki; Jain, Paridhi; Kawashima, Hitoshi; Kuwahara, Masashi; Wang, Xiaomin; Tsuda, Hiroyuki (IEICE Electron. Express, 2014)

Multiport optical switches integrated on Si photonics platform. - Suzuki, Keijiro; Cong, Guangwei; Tanizawa, Ken; Kim, Sang-Hun; Ikeda, Kazuhiro; Namiki, Shu; Kawashima, Hitoshi (IEICE Electron. Express, 2014)

Robust design of 3-dB directional coupler with weak gap sensitivity for silicon wire waveguide. - Cong, Guangwei; Suzuki, Keijiro; Kim, Sang-Hun; Tanizawa, Ken; Namiki, Shu; Kawashima, Hitoshi (2014)

Small-sized Mach-Zehnder interferometer optical switch using thin film Ge2Sb2Te5 phase-change material. - Moriyama, Takumi; Kawashima, Hitoshi; Kuwahara, Masashi; Wang, Xiaomin; Asakura, Hideaki; Tsuda, Hiroyuki (2014)

MEMS mirror with slot structures suitable for flexible-grid WSS. - Sorimoto, Keisuke; Kawashima, Hitoshi; Mori, Masahiko; Hasama, Toshifumi; Ishikawa, Hiroshi; Tsuda, Hiroyuki; Uetsuka, Hisato (IEICE Electron. Express, 2013)

Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide. - Ikeda, Naoki; Tanaka, Yu; Kawashima, Hitoshi; Sugimoto, Yoshimasa; Hasama, Toshifumi; Asakawa, Kiyoshi; Ishikawa, Hiroshi (IEICE Trans. Electron., 2012)

Phase error compensation for multilayered AWG in LCOS-based WSS. - Sorimoto, Keisuke; Kintaka, Kenji; Kawashima, Hitoshi; Mori, Masahiko; Hasama, Toshifumi; Ishikawa, Hiroshi; Tsuda, Hiroyuki; Uetsuka, Hisato (IEICE Electron. Express, 2011)

Fast aberration-correcting algorithm for an SLM-based optical switch. - Sorimoto, Keisuke; Kintaka, Kenji; Kawashima, Hitoshi; Mori, Masahiko; Hasama, Toshifumi; Ishikawa, Hiroshi; Tsuda, Hiroyuki; Uetsuka, Hisato (IEICE Electron. Express, 2010)