Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Opto-thermal dynamics in whispering-gallery microresonators   Optical whispering-gallery-mode microresonators with ultrahigh quality
factors and small mode volumes have played an important role in modern physics.
They have been demonstrated as a diverse platform for a wide range of photonics
applications, such as nonlinear optics, optomechanics, quantum optics, and
information processing. Thermal behaviors induced by power buildup in
resonators or environmental perturbations are ubiquitous in high-quality-factor
whispering-gallery-mode resonators and have played an important role in their
operation for various applications. Here in this review, we discuss the
mechanisms of laser field induced thermal nonlinear effects, including thermal
bistability and thermal oscillation. With the help of the thermal bistability
effect, optothermal spectroscopy and optical non-reciprocity have been
demonstrated. On the other hand, by tuning the temperature of the environment,
the resonant mode frequency will shift, which could also be used for thermal
sensing/tuning applications. Thermal locking technique and thermal imaging
mechanisms are discussed briefly. Last, we review some techniques to realize
thermal stability in a high-quality-factor resonator system.

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The categories of this paper are: patt-sol
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The categories of this paper are: q-alg
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The categories of this paper are: plasm-ph
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The categories of this paper are: eess
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The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: cs
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The categories of this paper are: quant-ph
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex
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The categories of this paper are: econ
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The categories of this paper are: astro-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: ao-sci