Fiber-coupled source of polarization-entanglement at ~ 1550-nm

Vikash Kumar Yadav; Vivek Venkataraman; Vivek Venkataraman; Joyee Ghosh

doi:10.1364/QUANTUM.2023.QW2A.39

Optica Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2023),
paper QW2A.39
•https://doi.org/10.1364/QUANTUM.2023.QW2A.39

Fiber-coupled source of polarization-entanglement at ~ 1550-nm

Vikash Kumar Yadav, Vivek Venkataraman, and Joyee Ghosh

Quantum 2.0 2023

Denver, Colorado United States
18–22 June 2023
ISBN: 978-1-957171-27-2

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Poster Session II (QW2A)

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V. K. Yadav, V. Venkataraman, and J. Ghosh, "Fiber-coupled source of polarization-entanglement at ~ 1550-nm," in Optica Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2023), paper QW2A.39.

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Abstract

We report an efficient source of polarization-entangled photon-pairs at telecom wavelength of 1550-nm using a fiber-pigtailed MgO:PPLN ridge-waveguide. The φ⁺ Bell-state is generated with >84% fidelity violating the CHSH inequality by >10 standard deviations.

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