Tunable electro-optic polarization modulator for quantum key distribution applications

A tunable polarization retarder based on a bulk buried heterostructure semiconductor waveguide has been demonstrated for the specific application of quantum key distribution. Simplicity of construction, low drive voltage, wide spectral range of operation and potentially high frequency response make...

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Bibliographic Details
Published in:Optics communications 2004-04, Vol.234 (1), p.203-210
Main Authors: Gordeev, Nikita Yu, Gordon, Karen J., Buller, Gerald S.
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optical processors, correlators, and modulators
Optics
Optoelectronic device
Physics
Polarization modulator
Quantum cryptography
Quantum information
Quantum key distribution
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Summary:A tunable polarization retarder based on a bulk buried heterostructure semiconductor waveguide has been demonstrated for the specific application of quantum key distribution. Simplicity of construction, low drive voltage, wide spectral range of operation and potentially high frequency response make it ideal for polarization modulation at the transmitter (Alice) and receiver (Bob) in at least two quantum key distribution protocols. The modulator performance was analyzed in a test quantum key distribution system.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2004.02.036