Secure Communication by low-photon-number pathlength modulation

William T. Rhodes

doi:10.1364/FIO.2006.FTuR3

Frontiers in Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2006),
paper FTuR3
•https://doi.org/10.1364/FIO.2006.FTuR3

Secure Communication by low-photon-number pathlength modulation

William T. Rhodes

Frontiers in Optics 2006

Rochester, New York United States
10–13 October 2006
ISBN: 1-55752-818-7

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Coherent and Quantum Optics in Fibers II (FTuR)

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W. T. Rhodes, "Secure Communication by low-photon-number pathlength modulation," in Frontiers in Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2006), paper FTuR3.

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Abstract

Pathlength modulation interferometers operating at the single-photon level allow the transmission of conventionally encrypted messages with greatly increased security. By modulating pathlength differences, Alice and Bob can prevent Eve from having access to the ciphertext.

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