Zheng Yuanlin, Yang Jianfan, Shen Zhenhua, Cao Jianjun, Chen Xianfeng, Liang Xiaogan, Wan Wenjie
The State Key Laboratory of Advanced Optical Communication Systems and Networks and Collaborative Innovation Center of IFSA, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
MOE Key Laboratory for Laser Plasmas, the University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China.
Light Sci Appl. 2016 May 6;5(5):e16072. doi: 10.1038/lsa.2016.72. eCollection 2016 May.
Electromagnetically induced transparency has the unique ability to optically control transparency windows with low light in atomic systems. However, its practical applications in quantum physics and information science are limited due to rigid experimental requirements. Here we demonstrate a new mechanism of optically induced transparency in a micro-cavity by introducing a four-wave mixing gain to nonlinearly couple two separated resonances of the micro-cavity in an ambient environment. A signature Fano-like resonance was observed owing to the nonlinear interference of the two coupled resonances. Moreover, we show that the unidirectional gain of the four-wave mixing can lead to the remarkable effect of non-reciprocal transmission at the transparency windows. Optically induced transparency may offer a unique platform for a compact, integrated solution to all-optical and quantum information.
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