Quantum cryptography with coherent-state light: Demonstration of a secure data encryption scheme operating at 100 kb/s

Geraldo A. Barbosa*, Eric Corndorf, Prem Kumar

*Corresponding author for this work

Research output: Contribution to conferencePaper

2 Scopus citations

Abstract

The efficiency/security problems of the YK protocol and BB84 for data encryption can be overcome in a new technique where mesoscopic coherent states are employed to overcome loss and to allow ordinary amplification, switching and routing. A crucial new ingredient in this technique is the explicit use of a shared key for the cryptographic objective of key expansion. A free-space implementation of the new quantum technique is outlined.

Original languageEnglish (US)
Pages189-190
Number of pages2
StatePublished - Jan 1 2002
EventQuantum Electronics and Laser Science (QELS) 2002 - Long Beach, CA, United States
Duration: May 19 2002May 24 2002

Other

OtherQuantum Electronics and Laser Science (QELS) 2002
CountryUnited States
CityLong Beach, CA
Period5/19/025/24/02

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Barbosa, G. A., Corndorf, E., & Kumar, P. (2002). Quantum cryptography with coherent-state light: Demonstration of a secure data encryption scheme operating at 100 kb/s. 189-190. Paper presented at Quantum Electronics and Laser Science (QELS) 2002, Long Beach, CA, United States.