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