Photothermal nonlinearity in a graphene oxide covered silicon micro-ring resonator

Chih-Hsien Chen, Chang-Yi Wu,Nai-Wen Cheng,Tzu-Hsiang Yen,Chia-Wei Huang, Chin-Shih Huang, Hao-Chun Hsieh, Hung-Chun Pan, Yu-Fu Wu, Tai-Chi Yang,Yung-Jr Hung

2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)（2022）

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摘要

We fabricated highly-oxidized graphene oxide (GO) thin film to provide enhanced photothermal nonlinearity in GO-covered silicon micro-ring resonators. We observed 2~3 times increases in wavelength shifts of ring resonators under a fixed pumping power.

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关键词

Graphene Oxide,Microring Resonators,Silicon Microring Resonator,Thin Films,Wavelength Shift,Pump Power,Ring Resonator,X-ray Photoelectron Spectroscopy,Waveguide,Optical Power,Two-photon Absorption,Linear Absorption,Silicon Photonics,Graphene Oxide Film

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