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Proceedings Paper

Single photon nonlinear optics in photonic crystals
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Paper Abstract

We coherently probe a quantum dot that is strongly coupled to a photonic crystal nano-cavity by scattering of a resonant laser beam. The coupled system's response is highly nonlinear as the quantum dot saturates with nearly one photon per cavity lifetime. This system enables large amplitude and phase shifts of a signal beam via a control beam, both at single photon levels. We demonstrate photon-photon interactions with short pulses in a system that is promising for ultra-low power switches and two-qubit quantum gates.

Paper Details

Date Published: 2 February 2009
PDF: 5 pages
Proc. SPIE 7225, Advanced Optical Concepts in Quantum Computing, Memory, and Communication II, 72250F (2 February 2009); doi: 10.1117/12.809305
Show Author Affiliations
Dirk Englund, Stanford Univ. (United States)
Ilya Fushman, Stanford Univ. (United States)
Andrei Faraon, Stanford Univ. (United States)
Jelena Vučković, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 7225:
Advanced Optical Concepts in Quantum Computing, Memory, and Communication II
Zameer U. Hasan; Alan E. Craig; Philip R. Hemmer, Editor(s)

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