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Generation of photon pairs in highly nonlinear photonic crystal fibres for quantum information processing

XINZHU SANG1,* , CHONGXIU YU1, M. K. ISLAM2, NAIGUANG LU3

Affiliation

  1. Key Laboratory of Optical Communication and Lightwave Technologies, School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing,100876 China
  2. Optoelectronics Research Centre, City University of Hong Kong, Hong Kong
  3. Department of Electronic Information Engineering, Beijing Institute of Machinery, Beijing, 100085, China

Abstract

Flexible dispersion characteristics and enhanced nonlinearity make the highly nonlinear photonic crystal fibre(PCF) a good candidate to generate photon pairs for quantum information processing. Theoretical background and research progress of photon pairs generated in highly nonlinear PCFs by means of four wave mixing are presented. With a 8.5 m PCF with zero dispersion wavelength near 1552 nm, quantum correlated photon pairs are created around 1550 nm. It may prove eventually feasible to realize efficient, reliable, and low cost photon pair sources for practical applications..

Keywords

Nonlinear optics, Quantum information processing, Photonic crystal fibre, Photon pair.

Submitted at: Sept. 4, 2006
Accepted at: Sept. 13, 2006

Citation

XINZHU SANG, CHONGXIU YU, M. K. ISLAM, NAIGUANG LU, Generation of photon pairs in highly nonlinear photonic crystal fibres for quantum information processing, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 5, pp. 1895-1900 (2006)