Journal ArticleDOI
Optothermal control of gains in erbium-doped whispering-gallery microresonators.
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TLDR
It is shown that the optothermal control of gains is more robust to external noises, which paves a crucial step toward the application in the ultra-sensitive detection.Abstract:
Erbium-doped whispering-gallery-mode (WGM) microcavities have great potential in many important applications, such as the precision detection and the micro/nano laser. However, they are sensitive to the fluctuations from the pump laser and the environment. Here we demonstrate the precise controlling of transmission spectra and optical gains using optothermal scanning methods in erbium-doped WGM microcavities. The transmission spectrum of the probe signal exhibits the transition between asymmetric Fano-like resonance and the Lorentz peak (or dip) through tuning the input frequency and the scanning speed of the pump laser. In particular, the analytical calculations can fit well with our experimental results through adiabatically eliminating the anticlockwise optical mode. This Letter shows that the optothermal control of gains is more robust to external noises, which paves a crucial step toward the application in the ultra-sensitive detection.read more
Citations
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Journal ArticleDOI
Optothermal dynamics in whispering-gallery microresonators
Xue-Feng Jiang,Lan Yang +1 more
TL;DR: The mechanisms of laser-field-induced thermal nonlinear effects, including thermal bistability and thermal oscillation are discussed, and some techniques employed to achieve thermal stability in a high-quality-factor resonator system are reviewed.
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Phonon laser in a cavity magnomechanical system.
Ming-Song Ding,Li Zheng,Chong Li +2 more
TL;DR: In this article, the authors theoretically study phonon laser in a cavity magnomechanical system, which consist of a microwave cavity, a sphere of magnetic material and a uniform external bias magnetic field.
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Enhanced sensitivity of optical gyroscope in a mechanical parity-time-symmetric system based on exceptional point
Posted Content
Opto-thermal dynamics in whispering-gallery microresonators
Xuefeng Jiang,Lan Yang +1 more
TL;DR: In this paper, the mechanisms of laser field induced thermal nonlinear effects, including thermal bistability and thermal oscillation, have been discussed and some techniques to realize thermal stability in a high-quality-factor resonator system.