[CWP12B] Hybrid Material Integration for Silicon Photonics I

[CWP12B-05] Photothermal nonlinearity in a graphene oxide covered silicon micro-ring resonator

*Chih-Hsien Chen¹, Chang-Yi Wu¹, Nai-Wen Cheng¹, Tzu-Hsiang Yen¹, Chia-Wei Huang¹, Chin-Shih Huang², Hao-Chun Hsieh², Hung-Chun Pan², Yu-Fu Wu², Tai-Chi Yang², Yung-Jr Hung¹ (1. National Sun Yat-sen Univ. (Taiwan), 2. Wistron Corp. (Taiwan))

[Presentation Style] Online

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.