Journal
OPTICS EXPRESS
Volume 21, Issue 24, Pages 29612-29619Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.029612
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Funding
- Physics Frontier Center at the Joint Quantum Institute [PHY-0822671]
- Maryland NanoCenter
- Division Of Physics
- Direct For Mathematical & Physical Scien [822671] Funding Source: National Science Foundation
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We demonstrate spontaneous emission rate enhancement and saturable absorption of cadmium selenide colloidal quantum dots coupled to a nanobeam photonic crystal cavity. We perform time-resolved lifetime measurements and observe an average enhancement of 4.6 for the spontaneous emission rate of quantum dots located at the cavity as compared to those located on an unpatterned surface. We also demonstrate that the cavity linewidth narrows with increasing pump intensity due to quantum dot saturable absorption. (C) 2013 Optical Society of America
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