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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 458–461

Effective thermal resistance of a photonic crystal microcavity

L.-D. Haret, A. Ghrib, X. Checoury, N. Cazier, Z. Han, M. El Kurdi, S. Sauvage, and P. Boucaud  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 458-461 (2014)
http://dx.doi.org/10.1364/OL.39.000458


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Abstract

We present a simple method to accurately measure the effective thermal resistance of a photonic crystal microcavity. The cavity is embedded between two Schottky contacts forming a metal-semiconductor-metal device. The photocarriers circulating in the device provide a local temperature rise that can be dominated by Joule effect under certain conditions. We show that the effective thermal resistance (Rth) can be experimentally deduced from the spectral shift of the cavity resonance wavelength measured at different applied bias. We deduce a value of Rth=1.6×104KW1 for a microcavity on silicon-on-insulator, which is in good agreement with 3D thermal modeling by finite elements.

© 2014 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(350.5340) Other areas of optics : Photothermal effects
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

History
Original Manuscript: October 22, 2013
Revised Manuscript: December 5, 2013
Manuscript Accepted: December 13, 2013
Published: January 20, 2014

Citation
L.-D. Haret, A. Ghrib, X. Checoury, N. Cazier, Z. Han, M. El Kurdi, S. Sauvage, and P. Boucaud, "Effective thermal resistance of a photonic crystal microcavity," Opt. Lett. 39, 458-461 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-458

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