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Mode Expansion and Bragg Filtering Enable a High-Fidelity Fiber-Based Photon-Pair Source

Published

Author(s)

Alexander E. Ling, Jun Chen, Jingyun Fan, Alan L. Migdall

Abstract

We report the development of a fiber-based single spatial mode source of photon-pairs where the efficiency of extracting photon-pairs is 15x better than a previous implementation [16]. This critical improvement in efficiency enabled a spectrally bright and pure photon-pair source having a small second-order correlation function (0.03) and a raw spectral brightness of 44,700 pairs /(s nm mW). The source can be configured to generate entangled photon-pairs, characterized via optimal and minimal quantum state tomography, to have a fidelity of 97% and tangle of 92%.
Citation
Optics Express
Volume
17

Keywords

Photon-Pair Source, Photonic Crystal Fiber, Polarization-Entanglement

Citation

Ling, A. , Chen, J. , Fan, J. and Migdall, A. (2009), Mode Expansion and Bragg Filtering Enable a High-Fidelity Fiber-Based Photon-Pair Source, Optics Express, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903010 (Accessed April 15, 2024)
Created November 9, 2009, Updated February 19, 2017