Giant photothermal nonlinearity in a single silicon nanostructure

oleh: Yi-Shiou Duh, Yusuke Nagasaki, Yu-Lung Tang, Pang-Han Wu, Hao-Yu Cheng, Te-Hsin Yen, Hou-Xian Ding, Kentaro Nishida, Ikuto Hotta, Jhen-Hong Yang, Yu-Ping Lo, Kuo-Ping Chen, Katsumasa Fujita, Chih-Wei Chang, Kung-Hsuan Lin, Junichi Takahara, Shi-Wei Chu

Format: Article
Diterbitkan: Nature Portfolio 2020-08-01

Deskripsi

Resonant structures are a promising method to enhance the nonlinear response of Si, however they are typically larger than 10 μm. Here, the authors present Si nano-resonators that amplify photothermal nonlinearity, resulting in reversible and repeatable modulation.