[ME3] Devices for Photonic Computing

5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[ME3-5] Fabrication of Nb₂O₅ waveguide and switch for visible light applications

○Genkei Tei¹, Yuto Shinbo¹, Yisheng Ni¹, Shun Yajima¹, Yoshiki Hayama², Katsumi Nakatsuhara², Yuya Shoji^1,3 (1.Institute of Science Tokyo, 2. Kanagawa Institute of Technology, 3.Laboratory for Future Interdisciplinary Research of Science and Technology)

Keywords:

Silicon photonic and nanophotonic devices for computing applications,Photonic quantum computing

Visible-light waveguides and thermo-optic switches were fabricated and demonstrated using Nb₂O₅. The propagation loss of rib waveguide was characterized. The thermo-optic switch achieved π phase shift and 6.5 dB extinction ratio at 635 nm.