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Proceedings Paper

Narrow-band photon pairs generated from spontaneous parametric down conversion in a Bragg-grating enhanced waveguide
Author(s): Li Yan; Lijun Ma; Xiao Tang
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Paper Abstract

We propose a new method to narrow the linewidth of photon pairs generated from spontaneous parametric down conversion (SPDC). The single structure device incorporates an internal Bragg grating onto a nonlinear optical waveguide. We study theoretically the spectral characteristics of SPDC under two Bragg grating structures. We show that using the Bragg grating with a midway π- phase shifter is a promising way to implement narrow-line (~GHz to sub-GHz) entangled photon sources.

Paper Details

Date Published: 30 August 2010
PDF: 7 pages
Proc. SPIE 7815, Quantum Communications and Quantum Imaging VIII, 781511 (30 August 2010); doi: 10.1117/12.859269
Show Author Affiliations
Li Yan, Univ. of Maryland, Baltimore County (United States)
Lijun Ma, National Institute of Standards and Technology (United States)
Xiao Tang, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 7815:
Quantum Communications and Quantum Imaging VIII
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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