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Proceedings Paper

Waveguide polarization decoding module for free-space quantum key distribution
Author(s): Xuejun Lu; Xuping Zhang
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Paper Abstract

We present a promising integrated single photon receiver module based on an electro-optic waveguide polarization decoder and a TM pass polarizer. Linear and circular detection bases can be selected with a low control voltage of ~1.5V. A TM pass waveguide polarizer was fabricated with an extinction ratio of greater than 40dB. Low quantum key error rate can be expected due to the reduced optical background scattering noise using the index-matched integration approach. The proposed receiver module is promising for free space quantum key distribution.

Paper Details

Date Published: 8 January 2008
PDF: 5 pages
Proc. SPIE 6838, Optoelectronic Devices and Integration II, 683828 (8 January 2008); doi: 10.1117/12.759613
Show Author Affiliations
Xuejun Lu, Univ. of Massachusetts/Lowell (United States)
Xuping Zhang, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 6838:
Optoelectronic Devices and Integration II
Xuping Zhang; Hai Ming; Maggie Yihong Chen, Editor(s)

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