Oscillatory thermal dynamics in high-Q PDMS-coated silica toroidal microresonators

Lina He; Yun Feng Xiao; Jiangang Zhu; Sahin Kaya Ozdemir; Lan Yang

doi:10.1364/OE.17.009571

Oscillatory thermal dynamics in high-Q PDMS-coated silica toroidal microresonators

Lina He, Yun Feng Xiao, Jiangang Zhu, Sahin Kaya Ozdemir, Lan Yang

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

80 Scopus citations

Abstract

We study the oscillatory thermal dynamics of a high-Q PDMS-coated silica microtoroid both experimentally and theoretically. We demonstrate that the competing thermo-optic effects in silica and PDMS lead to thermally-induced self-modulation in the transmission spectra. A dynamical model is built using thermal dynamics and coupled-mode theory to analyze the oscillation behaviors. Effects of input power, taper-cavity air gap and wavelength scanning speed on the oscillation behaviors are investigated with a detailed comparison between theory and experiments.

Original language	English (US)
Pages (from-to)	9571-9581
Number of pages	11
Journal	Optics Express
Volume	17
Issue number	12
DOIs	https://doi.org/10.1364/OE.17.009571
State	Published - Jun 8 2009

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.17.009571

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abstract = "We study the oscillatory thermal dynamics of a high-Q PDMS-coated silica microtoroid both experimentally and theoretically. We demonstrate that the competing thermo-optic effects in silica and PDMS lead to thermally-induced self-modulation in the transmission spectra. A dynamical model is built using thermal dynamics and coupled-mode theory to analyze the oscillation behaviors. Effects of input power, taper-cavity air gap and wavelength scanning speed on the oscillation behaviors are investigated with a detailed comparison between theory and experiments.",

author = "Lina He and Xiao, {Yun Feng} and Jiangang Zhu and Ozdemir, {Sahin Kaya} and Lan Yang",

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AU - Ozdemir, Sahin Kaya

AU - Yang, Lan

PY - 2009/6/8

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AB - We study the oscillatory thermal dynamics of a high-Q PDMS-coated silica microtoroid both experimentally and theoretically. We demonstrate that the competing thermo-optic effects in silica and PDMS lead to thermally-induced self-modulation in the transmission spectra. A dynamical model is built using thermal dynamics and coupled-mode theory to analyze the oscillation behaviors. Effects of input power, taper-cavity air gap and wavelength scanning speed on the oscillation behaviors are investigated with a detailed comparison between theory and experiments.

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Oscillatory thermal dynamics in high-Q PDMS-coated silica toroidal microresonators

Abstract

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