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Optics Letters

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  • Vol. 29, Iss. 7 — Apr. 1, 2004
  • pp: 721–723

High quality factors and room-temperature lasing in a modified single-defect photonic crystal cavity

Marko Loncar, Michael Hochberg, Axel Scherer, and Yueming Qiu  »View Author Affiliations


Optics Letters, Vol. 29, Issue 7, pp. 721-723 (2004)
http://dx.doi.org/10.1364/OL.29.000721


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Abstract

We propose and analyze a new photonic crystal cavity design that supports a dipole mode with a quality factor greater than 20, 000. Such a high quality factor is obtained by precise tuning of the cavity length with minimal disruption of the surrounding photonic crystal. A fabrication procedure based on dry etching of InGaAsP material in HI/H <sub>2</sub>/Ar is used to demonstrate photonic crystal lasers with smooth and straight sidewalls. These room-temperature lasers concentrate optical energy in air and are suitable for use as tunable lasers and chemical sensors.

© 2004 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers

Citation
Marko Loncar, Michael Hochberg, Axel Scherer, and Yueming Qiu, "High quality factors and room-temperature lasing in a modified single-defect photonic crystal cavity," Opt. Lett. 29, 721-723 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-7-721


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References

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