Active polarization control for quantum communication in long-distance optical fibers with shared telecom traffic

G. B. Xavier, G. Vilela de Faria, T. Ferreira da Silva, G. P. Temporao and J. P. von der Weid
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS 53, 11 (2011)

ABSTRACT

We experimentally demonstrate the compatibility of wavelength multiplexed active polarization stabilization for quantum communication in an optical fiber carrying telecom traffic. One of the feedback control channels contains a 9.953 Gb/s datastream generated from a BER meter. We verify the ability to transmit single-photons in the two opposite directions of a 23-km optical fiber spool, while maintaining their state of polarization stable and a classical BER in the feedback channel error-free, during 6 h of continuous operation.

DOI: http://dx.doi.org/10.1002/mop.26320



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