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|Author(s):||Alexander E. Ling; Jun Chen; Jingyun Fan; Alan L. Migdall;|
|Title:||Mode Expansion and Bragg Filtering Enable a High-Fidelity Fiber-Based Photon-Pair Source|
|Published:||November 09, 2009|
|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 . 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%.|
|Pages:||pp. 21302 - 21312|
|Keywords:||Photon-Pair Source, Photonic Crystal Fiber, Polarization-Entanglement|
|Research Areas:||Quantum Optics, Single Photon Detectors, Entangled Photons, Quantum Devices, Single Photon Sources, Correlated Photon Radiometry, Quantum Information Technology, Quantum Physics|
|PDF version:||Click here to retrieve PDF version of paper (188KB)|