Journal
OPTICS EXPRESS
Volume 15, Issue 22, Pages 14870-14886Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.15.014870
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Funding
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0802109] Funding Source: National Science Foundation
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We study theoretically the generation of photon pairs by spontaneous four-wave mixing (SFWM) in photonic crystal optical fiber. We show that it is possible to engineer two-photon states with specific spectral correlation (entanglement) properties suitable for quantum information processing applications. We focus on the case exhibiting no spectral correlations in the two-photon component of the state, which we call factorability, and which allows heralding of single-photon pure-state wave packets without the need for spectral post filtering. We show that spontaneous four wave mixing exhibits a remarkable flexibility, permitting a wider class of two-photon states, including ultra-broadband, highly-anticorrelated states. (C) 2007 Optical Society of America.
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