A high-flux source of single-mode fiber-coupled nondegenerate polarization-entangled photons

Franco N. C. Wong; Dheera Venkatraman

doi:10.1117/12.734559

10 September 2007 A high-flux source of single-mode fiber-coupled nondegenerate polarization-entangled photons

Franco N. C. Wong, Dheera Venkatraman

Proceedings Volume 6780, Quantum Communications Realized; 678009 (2007) https://doi.org/10.1117/12.734559
Event: Optics East, 2007, Boston, MA, United States

Abstract

We describe a design to build a highly efficient parametric downconversion source for single spatial mode polarization-entangled photons based on a periodically poled lithium niobate crystal in a polarization Sagnac interferometer. We have investigated pump focusing to improve the coupling of the output light into a single-mode fiber and obtained a single-mode generation and fiber coupling efficiency of 49%.

Citation Download Citation

Franco N. C. Wong and Dheera Venkatraman "A high-flux source of single-mode fiber-coupled nondegenerate polarization-entangled photons", Proc. SPIE 6780, Quantum Communications Realized, 678009 (10 September 2007); https://doi.org/10.1117/12.734559

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