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Chin. Phys. B, 2016, Vol. 25(11): 114209    DOI: 10.1088/1674-1056/25/11/114209
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Coupled-resonator-induced transparency in two microspheres as the element of angular velocity sensing

Kun Qian(钱坤), Jun Tang(唐军), Hao Guo(郭浩), Wei Zhang(张伟), Jian-Hua Liu(刘建华), Jun Liu(刘俊), Chen-Yang Xue(薛晨阳), Wen-Dong Zhang(张文栋)
Key Laboratory of Instrumentation Science & Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
Abstract  We proposed a two-coupled microsphere resonator structure as the element of angular velocity sensing under the Sagnac effect. We analyzed the theoretical model of the two coupled microspheres, and derived the coupled-resonator-induced transparency (CRIT) transfer function, the effective phase shift, and the group delay. Experiments were also carried out to demonstrate the CRIT phenomenon in the two-coupled microsphere resonator structure. We calculated that the group index of the two-coupled sphere reaches ng=180.46, while the input light at a wavelength of 1550 nm.
Keywords:  whispering gallery      mode angular velocity      coupled-resonator-induced transparency      spherical resonator  
Received:  15 March 2016      Revised:  30 June 2016      Accepted manuscript online: 
PACS:  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  
  42.81.Pa (Sensors, gyros)  
  78.20.-e (Optical properties of bulk materials and thin films)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 51225504, 61171056, and 91123036) and the Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi Province, China.
Corresponding Authors:  Jun Liu     E-mail:  liuj@nuc.edu.cn

Cite this article: 

Kun Qian(钱坤), Jun Tang(唐军), Hao Guo(郭浩), Wei Zhang(张伟), Jian-Hua Liu(刘建华), Jun Liu(刘俊), Chen-Yang Xue(薛晨阳), Wen-Dong Zhang(张文栋) Coupled-resonator-induced transparency in two microspheres as the element of angular velocity sensing 2016 Chin. Phys. B 25 114209

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