PLC-type LP11 mode rotator with single-trench waveguide for mode-division multiplexing transmission. - Takui Uematsu; Nobutomo Hanzawa; Kunimasa Saitoh; Yuhei Ishizaka; Kouhei Masumoto; Taiji Sakamoto; Takashi Matsui; Kyozo Tsujikawa; Fumihiko Yamamoto (OFC, 2014)

Demonstration of PLC-based six-mode multiplexer for mode division multiplexing transmission. - Nobutomo Hanzawa; Kunimasa Saitoh; Taiji Sakamoto; Takashi Matsui; Kyozo Tsujikawa; Takeshi Fujisawa; Yuhei Ishizaka; Fumihiko Yamamoto (ECOC, 2015)

A photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform. - Yuhei Ishizaka; Masaru Nagai; Takeshi Fujisawa; Kunimasa Saitoh (IEICE Electron. Express, 2017)

Detection of SARS-CoV-2 Nucleocapsid Protein Using Si Microring Resonator Biosensor. - Yusuke Uchida; Masataka Takahashi; Akio Higo; Taro Arakawa; Yuhei Ishizaka (OECC/PSC, 2022)

Silicon Microring Resonator Biosensor for Detection of Nucleocapsid Protein of SARS-CoV-2. - Yusuke Uchida; Taro Arakawa; Akio Higo; Yuhei Ishizaka (Sensors, 2024)