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Proceedings Paper

Nonlinear optics near the single photon level with quantum dots coupled to photonic crystals
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Paper Abstract

Low power optical nonlinearities are a crucial requirement for data routing and next generation all-optical processing. The majority of nonlinear optical devices to date exploit weak nonlinearities from a large ensemble of atomic systems, resulting in both high power dissipation and a large device footprint. Quantum dots (QDs) coupled to photonic crystals can provide significant reduction in both device size and power dissipation. The interaction between these two systems creates extremely strong light-matter interaction owing to the tight optical confinement of photonic crystals and large oscillator strengths of QDs. Such interactions enable optical nonlinearities near the single photon level. In this work we investigate the nonlinear properties of QDs coupled to photonic crystals. We demonstrate large optical Stark shift with only 10 photons. We then propose and demonstrate a novel photonic circuit that can route light on a chip with extremely low optical powers.

Paper Details

Date Published: 12 September 2011
PDF: 10 pages
Proc. SPIE 8095, Active Photonic Materials IV, 809516 (12 September 2011); doi: 10.1117/12.891780
Show Author Affiliations
Edo Waks, Univ. of Maryland, College Park (United States)
Deepak Sridharan, Univ. of Maryland, College Park (United States)
Ranojoy Bose, Univ. of Maryland, College Park (United States)
Hyochul Kim, Univ. of Maryland, College Park (United States)
Thomas Shen, Univ. of Maryland, College Park (United States)
Glenn Solomon, Univ. of Maryland, College Park (United States)


Published in SPIE Proceedings Vol. 8095:
Active Photonic Materials IV
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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