CLEO-PR2022/ISOM'22/ODF'22

Presentation information

Oral Session

CLEO-PR2022 » 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

[CTuP8B] 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

Tue. Aug 2, 2022 4:00 PM - 5:30 PM Conference Hall (Oval Room) (1F)

Session Chair: Ryuichi Ohta (NTT Basic Research Laboratories)

4:00 PM - 4:15 PM

[CTuP8B-02] Efficient graphene-based photodetector with an asymmetric hybrid plasmonic waveguide

*Masaaki Ono1,2, Katsumasa Yoshioka2, Kengo Nozaki1,2, Akihiko Shinya1,2, Masaya Notomi1,2,3 (1. NTT Nanophotonics Center (Japan), 2. NTT Basic Research Labs. (Japan), 3. Tokyo Institute of Technology (Japan))

[Presentation Style] Onsite

We designed a compact photodetector with a graphene-loaded hybrid plasmonic waveguide that enhances light absorption to 32.1% for a 5-μm length. The asymmetric structure generates photovoltage by the photothermoelectric effect without dark current.