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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 14088–14097

Thermal instability of a compound resonator

Ivan S. Grudinin and Kerry J. Vahala  »View Author Affiliations

Optics Express, Vol. 17, Issue 16, pp. 14088-14097 (2009)

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We investigate the thermal and Kerr nonlinearity in a system of two optically-coupled silica microtoroid resonators experimentally and theoretically. A model for two coupled oscillators describing nonlinear resonance curves is developed. Stability of the static solutions is analyzed. It is shown that thermal nonlinearity is responsible for driving the eigenfrequencies of the two resonators apart, making the normal modes of the system unstable as the pump power grows. The red-detuned normal mode becomes unstable for certain pumping powers.

© 2009 OSA

OCIS Codes
(190.1450) Nonlinear optics : Bistability
(230.5750) Optical devices : Resonators

ToC Category:
Nonlinear Optics

Original Manuscript: June 29, 2009
Revised Manuscript: July 22, 2009
Manuscript Accepted: July 22, 2009
Published: July 29, 2009

Ivan S. Grudinin and Kerry J. Vahala, "Thermal instability of a compound resonator," Opt. Express 17, 14088-14097 (2009)

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