中国物理B ›› 2020, Vol. 29 ›› Issue (11): 114207-.doi: 10.1088/1674-1056/abb660

• • 上一篇    下一篇

Hao Zhang(张浩)2, Wen-Xiu Li(李文秀)1, Peng Han(韩鹏)1, Xiao-Yang Chang(常晓阳)1, Shuo Jiang(蒋硕)1, An-Ping Huang(黄安平)1, Zhi-Song Xiao(肖志松)1,3,†()   

  • 收稿日期:2020-05-17 修回日期:2020-08-31 接受日期:2020-09-09 出版日期:2020-11-05 发布日期:2020-11-03

Variable optical chirality in atomic assisted microcavity

Hao Zhang(张浩)2, Wen-Xiu Li (李文秀)1, Peng Han(韩鹏)1, Xiao-Yang Chang(常晓阳)1, Shuo Jiang(蒋硕)1, An-Ping Huang(黄安平)1, and Zhi-Song Xiao(肖志松)1,3, †   

  1. 1 Key Laboratory of Micro-nano Measurement, Manipulation and Physics (Ministry of Education), School of Physics, Beihang University, Beijing 100191, China
    2 Research Institute of Frontier Science, Beihang University, Beijing 100191, China
    3 Beijing Academy of Quantum Information Sciences, Beijing 100193, China
  • Received:2020-05-17 Revised:2020-08-31 Accepted:2020-09-09 Online:2020-11-05 Published:2020-11-03
  • Contact: †Corresponding author. E-mail: zsxiao@buaa.edu.cn
  • Supported by:
    the National Natural Science Foundation of China (Grant Nos. 11574021, 61975005, and 11804017) and the Fund from Beijing Academy of Quantum Information Sciences, China (Grant No. Y18G28).

RichHTML

2

PDF (PC)

105

赞

Abstract:

The manipulating of optical waves in a microcavity is essential to developing the integrated optical devices. Generally, the two eigenmodes in a whispering-gallery-mode (WGM) microcavity possess chiral symmetry. Here we show the chiral symmetry breaking is induced by the asymmetric backscattering of counter-propagating optical waves in a whispering-gallery-mode (WGM) microcavity with a cavity-made slot filled with atomic vapor. Through tuning the dispersion relation of the atomic vapor in the cavity-made slot, the chiral modes are continuously steered. The mode frequency splitting in the transmission and reflection spectra stem from the chiral symmetry breaking of the two eigenmodes. The displacement sensitivity of the proposed system in response to the length variation of cavity-made slot exhibits a high sensitivity value of 15.22 THz/nm.

Key words: microcavity, optical chirality, dispersion