中国物理B ›› 2017, Vol. 26 ›› Issue (12): 128502-128502.doi: 10.1088/1674-1056/26/12/128502

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇    下一篇

Electrically controlled optical switch in the hybrid opto-electromechanical system

Li-Guo Qin(秦立国), Zhong-Yang Wang(王中阳), Hong-Yang Ma(马鸿洋), Shu-Mei Wang(王淑梅), Shang-Qing Gong(龚尚庆)   

  1. 1. School of Science, Qingdao University of Technology, Qingdao 266000, China;
    2. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China;
    3. Department of Physics, East China University of Science and Technology, Shanghai 200237, China
  • 收稿日期:2017-06-30 修回日期:2017-07-20 出版日期:2017-12-05 发布日期:2017-12-05
  • 通讯作者: Li-Guo Qin, Hong-Yang Ma E-mail:lgqin@foxmail.com;hongyang_ma@aliyun.com

Electrically controlled optical switch in the hybrid opto-electromechanical system

Li-Guo Qin(秦立国)1,2, Zhong-Yang Wang(王中阳)2, Hong-Yang Ma(马鸿洋)1, Shu-Mei Wang(王淑梅)1, Shang-Qing Gong(龚尚庆)3   

  1. 1. School of Science, Qingdao University of Technology, Qingdao 266000, China;
    2. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China;
    3. Department of Physics, East China University of Science and Technology, Shanghai 200237, China
  • Received:2017-06-30 Revised:2017-07-20 Online:2017-12-05 Published:2017-12-05
  • Contact: Li-Guo Qin, Hong-Yang Ma E-mail:lgqin@foxmail.com;hongyang_ma@aliyun.com

摘要: To promote the future quantum information technologies, we demonstrate an electrically driven optical switch based on quantum interference in a hybrid opto-electromechanical system, which consists of an opto-mechanical cavity and an external electric circuit. The key element of our scheme is a moveable mirror of cavity as a charged mechanical oscillator capacitively coupled to a fixed charged plate in a variable capacitor. By adjusting the voltage of the capacitor, the displacement of the moveable mirror is modulated, then the cavity field can be electrically turned on or off due to the detuning of the cavity. Based on the cavity induced transparency, the transparency window can be electrically switched on or off by turning on or off the cavity field. Therefore, the susceptibility of the medium in the cavity can be electrically controlled, i.e., the scheme of the electrically controlled absorption switching can be demonstrated. This electrically driven optical switch will excite a development trend and implementation prospect towards the integration and miniaturization of quantum module device in a chip.

关键词: electromechanical systems, cavity induced transparency, optical switch

Abstract: To promote the future quantum information technologies, we demonstrate an electrically driven optical switch based on quantum interference in a hybrid opto-electromechanical system, which consists of an opto-mechanical cavity and an external electric circuit. The key element of our scheme is a moveable mirror of cavity as a charged mechanical oscillator capacitively coupled to a fixed charged plate in a variable capacitor. By adjusting the voltage of the capacitor, the displacement of the moveable mirror is modulated, then the cavity field can be electrically turned on or off due to the detuning of the cavity. Based on the cavity induced transparency, the transparency window can be electrically switched on or off by turning on or off the cavity field. Therefore, the susceptibility of the medium in the cavity can be electrically controlled, i.e., the scheme of the electrically controlled absorption switching can be demonstrated. This electrically driven optical switch will excite a development trend and implementation prospect towards the integration and miniaturization of quantum module device in a chip.

Key words: electromechanical systems, cavity induced transparency, optical switch

中图分类号:  (Micro- and nano-electromechanical systems (MEMS/NEMS) and devices)

  • 85.85.+j
42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption) 42.65.Pc (Optical bistability, multistability, and switching, including local field effects)