Ultra-directional high-efficiency chiral silicon photonic circuits

  title={Ultra-directional high-efficiency chiral silicon photonic circuits},
  author={Liang Fang and Haozhi Luo and Xiaoping Cao and Shuang Zheng and Xinlun Cai and Jian Wang},
Chiral light–matter interaction is currently revolutionizing the fundamental research on light and its applications. This interaction has traditionally faced the challenges of low directionality and efficiency based on the spin–orbit interaction of light in microscopic waveguides. It is important to exploit photonic integrated circuits to efficiently engineer photonic chiral behavior. In this paper, we propose and demonstrate ultra-directional high-efficiency chiral coupling in silicon photonic… 

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