作者: Di Liang , S. Srinivasan , D. A. Fattal , M. Fiorentino , Zhihong Huang
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摘要: We study directional bistability in hybrid silicon microring lasers and demonstrate a unidirectional laser. Unidirectional emission is achieved by integrating passive reflector that feeds laser back into the cavity to introduce an extra gain. show length of critical parameter determining lasing behavior.