Optimizing all-fiber nonlocal dispersion compensation for quantum communication networks: strategies and tools

RuiMing Chua; Alexander Ling; James A. Grieve

doi:10.1117/12.2633293

4 October 2022 Optimizing all-fiber nonlocal dispersion compensation for quantum communication networks: strategies and tools

RuiMing Chua, Alexander Ling, James A. Grieve

Author Affiliations +

Proceedings Volume 12238, Quantum Communications and Quantum Imaging XX; 122380G (2022) https://doi.org/10.1117/12.2633293
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Nonlocal dispersion compensation facilitated over standard ITU-T G.652/7 telecommunication fiber provides the simplest solution for the preservation of pair-wise timing correlations of broadband spontaneous parametric down converted photons. Its reliance on key parameters such as the relative spectral property of the down converted photons and pump wavelength were studied, providing important insights for an effective use of this scheme. We also raise the benefit of using modern ITU-T G.655 telecommunication fiber to complement this scheme. We preserved the timing correlations of photons distributed over a cumulative distance of 40km to within 60ps, with only 2km of extra G.655 fiber.

Conference Presentation

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RuiMing Chua, Alexander Ling, and James A. Grieve "Optimizing all-fiber nonlocal dispersion compensation for quantum communication networks: strategies and tools", Proc. SPIE 12238, Quantum Communications and Quantum Imaging XX, 122380G (4 October 2022); https://doi.org/10.1117/12.2633293

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