The measurement of heat dissipate rate from the micro-cavity resonator bulk to the environment based on thermo-optic oscillation

Dong Guo; Chang-ling Zou; Hongliang Ren; Zichun Le; Weisheng Hu

doi:10.1117/12.2519539

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14 February 2019 The measurement of heat dissipate rate from the micro-cavity resonator bulk to the environment based on thermo-optic oscillation

Dong Guo, Chang-ling Zou, Hongliang Ren, Zichun Le, Weisheng Hu

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Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110482S (2019) https://doi.org/10.1117/12.2519539
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

A remarkable self-sustained thermo-optomechanical oscillator has been observed in various optical micro-cavities, which caused by competition among the thermal expansion, the thermo-optic effect, and Kerr effects as we scan the probing laser across a cavity resonance at various tuning rates. Oscillation periods in the thermo-optomechanical oscillator are considered to be related to the heat dissipate rate from the micro-cavity resonator bulk to the environment, and it is possible that the thermo dissipate rate can be measured by detecting oscillation periods. Although a nonlinear relationship between the heat dissipate rate and oscillation periods is exhibited, an artificial neural network is applied to identify the heat dissipate rate. Numerical results demonstrate that the method can be used to measure the heat dissipate rate effectively in the thermo-optomechanical oscillator based on a CaF₂ whispering-gallery-mode resonator.

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Dong Guo, Chang-ling Zou, Hongliang Ren, Zichun Le, and Weisheng Hu "The measurement of heat dissipate rate from the micro-cavity resonator bulk to the environment based on thermo-optic oscillation", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110482S (14 February 2019); https://doi.org/10.1117/12.2519539

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