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Phase-stable source of polarization-entangled photons using a polarization Sagnac interferometer by Kim, Taehyun; Fiorentino, Marco; Wong, Franco N. C. is a scholarly article available to read on EtoBox.

What is Phase-stable source of polarization-entangled photons using a polarization Sagnac interferometer about?

We demonstrate a simple, robust, and ultrabright parametric down-conversion source of polarization-entangled photons based on a polarization Sagnac interferometer. Bidirectional pumping in type-II phase-matched periodically poled KTiOPO4 yields a measured flux of 5 000 polarization-entangled pairs/s per mW of pump power in a 1-nm bandwidth at 96.8% quantum-interference visibility. The common-path arrangement of the Sagnac interferometer eliminates the need for phase stabilization for the biphoton output state.

Author

Kim, Taehyun; Fiorentino, Marco; Wong, Franco N. C.

Published

2005

Language

EN