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Fibers 2018, 6(2), 32; https://doi.org/10.3390/fib6020032

Photon-Pair Sources Based on Intermodal Four-Wave Mixing in Few-Mode Fibers

DTU Fotonik, Technical University of Denmark, Kgs. Lyngby DK-2800, Denmark
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Received: 21 March 2018 / Revised: 26 April 2018 / Accepted: 7 May 2018 / Published: 21 May 2018
(This article belongs to the Special Issue Optical Fiber Communications)
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Abstract

Four-wave mixing in optical fibers has been proven to have many applications within processing of classical optical signals. In addition, recent developments in multimode fibers have made it possible to achieve the necessary phase-matching for efficient four-wave mixing over a very wide bandwidth. Thus, the combination of multimode fiber optics and four-wave mixing is very attractive for various applications. This is especially the case for applications in quantum communication, for example in photon-pair generation. This is the subject of this work, where we discuss the impact of fluctuations in core radius on the quality of the heralded single-photon states and demonstrate experimental results of intermodal spontaneous four-wave mixing for photon-pair generation. View Full-Text
Keywords: quantum communication; photon-pair generation; nonlinear fiber optics; four-wave mixing quantum communication; photon-pair generation; nonlinear fiber optics; four-wave mixing
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Rottwitt, K.; Koefoed, J.G.; Christensen, E.N. Photon-Pair Sources Based on Intermodal Four-Wave Mixing in Few-Mode Fibers. Fibers 2018, 6, 32.

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