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Conferences > CLEOPR > 2022 > CWP12B > CWP12B_05

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, and Yung-Jr Hung

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Abstract

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.

© 2022 IEEE

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