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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 8 — Apr. 15, 2010
  • pp: 1124–1126

Low-power optical bistability in a free-standing silicon ring resonator

Peng Sun and Ronald M. Reano  »View Author Affiliations


Optics Letters, Vol. 35, Issue 8, pp. 1124-1126 (2010)
http://dx.doi.org/10.1364/OL.35.001124


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Abstract

We demonstrate low-power thermo-optic-based optical bistability in a free-standing silicon ring resonator. A bistable optical response is achieved at reduced pump powers by thermally isolating the ring resonator from its supporting substrate with an air gap. The conversion efficiency from optical power to temperature change in the silicon core is enhanced. The optical transfer function of the resulting free-standing resonator exhibits a hysteresis loop for 80 μ W input optical power. Similar nonthermally isolated resonators at the same detuning do not exhibit a bistable mode for input powers less than 2 mW.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(190.1450) Nonlinear optics : Bistability
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Integrated Optics

History
Original Manuscript: December 2, 2009
Revised Manuscript: February 18, 2010
Manuscript Accepted: February 19, 2010
Published: April 5, 2010

Citation
Peng Sun and Ronald M. Reano, "Low-power optical bistability in a free-standing silicon ring resonator," Opt. Lett. 35, 1124-1126 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-8-1124

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