Secure key distribution system based on quantum cryptography

P. D. Townsend

doi:10.1049/el:19940558

Secure key distribution system based on quantum cryptography

P. D. Townsend

BT Group plc

Research output: Contribution to journal › Article › peer-review

Abstract

The secure transmission of cryptographic keys is demonstrated over a 10km-long optical fibre channel using a technique called ‘quantum cryptography’. Single-photon detector noise and nonideal modulator frequency response lead to error rates of ~6% in the transmitted keys that are corrected using publicly agreed key permutations and parity checks.

Original language	English
Pages (from-to)	809-811
Number of pages	3
Journal	Electronics Letters
Volume	30
Issue number	10
DOIs	https://doi.org/10.1049/el:19940558
Publication status	Published - 12 May 1994
Externally published	Yes

Keywords

Cryptography
Light interferometry
Quantum optics

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10.1049/el:19940558

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title = "Secure key distribution system based on quantum cryptography",

abstract = "The secure transmission of cryptographic keys is demonstrated over a 10km-long optical fibre channel using a technique called {\textquoteleft}quantum cryptography{\textquoteright}. Single-photon detector noise and nonideal modulator frequency response lead to error rates of \textasciitilde{}6\% in the transmitted keys that are corrected using publicly agreed key permutations and parity checks.",

keywords = "Cryptography, Light interferometry, Quantum optics",

author = "Townsend, \{P. D.\}",

year = "1994",

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doi = "10.1049/el:19940558",

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AB - The secure transmission of cryptographic keys is demonstrated over a 10km-long optical fibre channel using a technique called ‘quantum cryptography’. Single-photon detector noise and nonideal modulator frequency response lead to error rates of ~6% in the transmitted keys that are corrected using publicly agreed key permutations and parity checks.

KW - Cryptography

KW - Light interferometry

KW - Quantum optics

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U2 - 10.1049/el:19940558

DO - 10.1049/el:19940558

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VL - 30

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JO - Electronics Letters

JF - Electronics Letters

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ER -

Secure key distribution system based on quantum cryptography

Abstract

Keywords

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