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Proceedings Article

Narrow-band photon pairs generated from spontaneous parametric down conversion in a Bragg-grating enhanced waveguide

[+] Author Affiliations
Li Yan

Univ. of Maryland, Baltimore County (USA)

Lijun Ma, Xiao Tang

National Institute of Standards and Technology (USA)

Proc. SPIE 7815, Quantum Communications and Quantum Imaging VIII, 781511 (August 30, 2010); doi:10.1117/12.859269
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From Conference Volume 7815

  • Quantum Communications and Quantum Imaging VIII
  • Ronald E. Meyers; Yanhua Shih; Keith S. Deacon
  • San Diego, California | August 01, 2010

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.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Li Yan ; Lijun Ma and Xiao Tang
"Narrow-band photon pairs generated from spontaneous parametric down conversion in a Bragg-grating enhanced waveguide", Proc. SPIE 7815, Quantum Communications and Quantum Imaging VIII, 781511 (August 30, 2010); doi:10.1117/12.859269; http://dx.doi.org/10.1117/12.859269


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