Stable differential phase shift quantum key distribution with a key creation efficiency of 3/4

Xiuliang Chen; Chunyuan Zhou; Guang Wu; Heping Zeng

doi:10.1063/1.1690494

Stable differential phase shift quantum key distribution with a key creation efficiency of 3/4

Xiuliang Chen
, Chunyuan Zhou
, Guang Wu
, Heping Zeng^*

^*Corresponding author for this work

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

6 Scopus citations

Abstract

A high key creation efficiency was achieved by using three cascaded Mach-Zehnder interferometers, in a stable differential phase shift (DPS) quantum key distribution (QKD) system. The interferometers were combined with Faraday mirror, which possessed a key creation rate of 3/4. The pulse was split into four sequential pulses. The faraday mirror compensated the birefringence effects and polarization-dependent losses in the long-distance fiber. The combination of interferometers and faraday mirror increased the stability along with the key creation efficiency of the DPS QKD system.

Original language	English
Pages (from-to)	2691-2693
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	14
DOIs	https://doi.org/10.1063/1.1690494
State	Published - 5 Apr 2004
Externally published	Yes

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abstract = "A high key creation efficiency was achieved by using three cascaded Mach-Zehnder interferometers, in a stable differential phase shift (DPS) quantum key distribution (QKD) system. The interferometers were combined with Faraday mirror, which possessed a key creation rate of 3/4. The pulse was split into four sequential pulses. The faraday mirror compensated the birefringence effects and polarization-dependent losses in the long-distance fiber. The combination of interferometers and faraday mirror increased the stability along with the key creation efficiency of the DPS QKD system.",

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AB - A high key creation efficiency was achieved by using three cascaded Mach-Zehnder interferometers, in a stable differential phase shift (DPS) quantum key distribution (QKD) system. The interferometers were combined with Faraday mirror, which possessed a key creation rate of 3/4. The pulse was split into four sequential pulses. The faraday mirror compensated the birefringence effects and polarization-dependent losses in the long-distance fiber. The combination of interferometers and faraday mirror increased the stability along with the key creation efficiency of the DPS QKD system.

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DO - 10.1063/1.1690494

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Stable differential phase shift quantum key distribution with a key creation efficiency of 3/4

Abstract

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