Journal
OPTICS EXPRESS
Volume 19, Issue 22, Pages 21524-21531Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.021524
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Funding
- Defense Advanced Research Projects Agency (DARPA)
- National Science Foundation (NSF)
- NSF's Engineering Research Center for Integrated Access Networks (CIAN)
- Cymer Corporation
- U.S. Army Research Office
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [0923523] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1063976, 0959072] Funding Source: National Science Foundation
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0901429] Funding Source: National Science Foundation
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Electrically driven subwavelength scale metallo-dielectric pedestal pillar lasers are designed and experimentally demonstrated. The metallo-dielectric cavity significantly enhances the quality factor (Q > 1500) of the wavelength and subwavelength scale lasers and the pedestal structure significantly reduces the threshold gain (< 400 cm(-1)) which can potentially enable laser operation at room temperature. We observed continuous wave lasing in 750 nm gain core radius laser at temperatures between 77 K and 140 K with a threshold current of 50 mu A (at 77 K). We also observed lasing from a 355 nm gain core radius laser at temperatures between 77 K and 100 K. (C) 2011 Optical Society of America
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