Kei Sumita

Ultrahigh-responsivity waveguide-coupled optical power monitor for Si photonic circuits operating at near-infrared wavelengths

Takaya Ochiai, Tomohiro Akazawa, Yuto Miyatake et al. · Nature Communications · 2022 · 25 citations · Full text

Operation of (111) Ge-on-Insulator n-Channel MOSFET Fabricated by Smart-Cut Technology

Cheol-Min Lim, Ziqiang Zhao, Kei Sumita et al. · IEEE Electron Device Letters · 2020 · 20 citations

Semiconductors, Materials Science, Electrical Engineering +15

Influence of substrate impurity concentration on sub-threshold swing of Si n-channel MOSFETs at cryogenic temperatures down to 4 K

Min-Soo Kang, Kei Sumita, Hiroshi Oka et al. · Japanese Journal of Applied Physics · 2023 · 19 citations · Full text

Semiconductors, Semiconductor Technology, Electrical Engineering +14

Low-loss Ge waveguide at the 2-µm band on an n-type Ge-on-insulator wafer

Ziqiang Zhao, Cheol-Min Lim, Chong Pei Ho et al. · Optical Materials Express · 2021 · 16 citations · Full text

Optical Materials, Engineering, Optoelectronic Devices +17

Electrical Properties of Ultra-Thin Body (111) Ge-On-Insulator n-Channel MOSFETs Fabricated by Smart-Cut Process

Cheol-Min Lim, Ziqiang Zhao, Kei Sumita et al. · IEEE Journal of the Electron Devices Society · 2021 · 12 citations · Full text

Semiconductors, Semiconductor Technology, Electrical Engineering +15