Thermal nonlinearity in silicon microcylindrical resonators

Natasha Vukovic, Noel Healy, Priyanth Mehta, Todd D. Day, Pier J.A. Sazio, John V. Badding, Anna C. Peacock

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Abstract

We explore the thermally induced nonlinearity in hydrogenated amorphous silicon microcylindrical resonators that are fabricated from the silicon optical fiber platform. In particular, we use a pump-probe technique to experimentally demonstrate thermally induced optical modulation and determine the response time. Through characterization of the thermal properties and the associated resonance wavelength shifts, we will show that it is possible to infer the material absorption coefficient for a range of whispering gallery mode resonators.

Original languageEnglish (US)
Article number181101
JournalApplied Physics Letters
Volume100
Issue number18
DOIs
StatePublished - Apr 30 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Vukovic, N., Healy, N., Mehta, P., Day, T. D., Sazio, P. J. A., Badding, J. V., & Peacock, A. C. (2012). Thermal nonlinearity in silicon microcylindrical resonators. Applied Physics Letters, 100(18), [181101]. https://doi.org/10.1063/1.4709424