Optical dielectric microresonators have been extensively studied due to their potential applications in optical sensing and measurements, and as optical interconnects. Although sensitive to temperature variations, the effect on temperature on their performance is often overlooked. In the present study the sensitivity of resonance to temperature arising from thermal expansion or contraction based change in physical path length, and minute changes in dielectric material and surrounding refractive indices is examined. The multiphysics finite element approach used in this study combines the heat transfer in solids with solid mechanics to understand the micro-level deformation of optical resonator due to thermal heating. This is coupled with electromagnetic frequency domain analysis of Maxwell’s equations with temperature dependent refractive indices to quantify the change in resonant frequency. It is found that the temperature induced change in refractive index of the resonator material primarily drives the change in resonant frequency.
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ASME 2017 Heat Transfer Summer Conference
July 9–12, 2017
Bellevue, Washington, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-5789-2
PROCEEDINGS PAPER
Temperature Effects on Optical Resonances in Single-Mode Circular Ring and Squircular Resonators
Prabodh Panindre,
Prabodh Panindre
New York University, Brooklyn, NY
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Sunil Kumar
Sunil Kumar
New York University, Brooklyn, NY
Search for other works by this author on:
Prabodh Panindre
New York University, Brooklyn, NY
Sunil Kumar
New York University, Brooklyn, NY
Paper No:
HT2017-4909, V002T15A001; 8 pages
Published Online:
October 18, 2017
Citation
Panindre, P, & Kumar, S. "Temperature Effects on Optical Resonances in Single-Mode Circular Ring and Squircular Resonators." Proceedings of the ASME 2017 Heat Transfer Summer Conference. Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing. Bellevue, Washington, USA. July 9–12, 2017. V002T15A001. ASME. https://doi.org/10.1115/HT2017-4909
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