Authors
Laurent Duraffourg, Jean-Marc Merolla, Jean-Pierre Goedgebuer, Yuri Mazurenko, William T Rhodes
Publication date
2001/9/15
Journal
Optics Letters
Volume
26
Issue
18
Pages
1427-1429
Publisher
Optica Publishing Group
Description
We report a new transmission that can be used for quantum key distribution. The system uses single-sideband-modulated light in an implementation of the BB84 quantum cryptography protocol. The system is formed by two integrated unbalanced Mach–Zehnder interferometers and is based on interference between phase-modulated sidebands in the spectral domain. Experiments show that high interference visibility can be obtained.
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L Duraffourg, JM Merolla, JP Goedgebuer… - Optics Letters, 2001