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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 14 — Jul. 5, 2010
  • pp: 14345–14352

Broad tuning of whispering-gallery modes in silicon microdisks

Jeffrey M. Shainline, Gustavo Fernandes, Zhijun Liu, and Jimmy Xu  »View Author Affiliations

Optics Express, Vol. 18, Issue 14, pp. 14345-14352 (2010)

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Silicon microdisks with dynamically-tunable resonance spectra are achieved with nanoscale, in-plane silicon electrical contacts in a single lithographic step. Electrical current is passed through the devices to enable thermal tuning via joule heating. A 14nm wavelength shift is demonstrated with 1.6mW power consumption in devices with >20nm free spectral ranges and quality factors exceeding 20,000. Spectral shifts equal to a full width at half maximum can be achieved with ~ 10µW tuning power for a mode with quality factor of 20,000.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators
(250.5300) Optoelectronics : Photonic integrated circuits
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Integrated Optics

Original Manuscript: April 20, 2010
Revised Manuscript: May 28, 2010
Manuscript Accepted: June 7, 2010
Published: June 21, 2010

Jeffrey M. Shainline, Gustavo Fernandes, Zhijun Liu, and Jimmy Xu, "Broad tuning of whispering-gallery modes in silicon microdisks," Opt. Express 18, 14345-14352 (2010)

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