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Proceedings Paper

Automatic polarization control in optical sampling system
Author(s): Zhao Zhao; Aiying Yang; Lihui Feng
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Paper Abstract

In an optical sampling system for high-speed optical communications, polarization controlling is one of the most important parts of the system, regardless of nonlinear optical sampling or linear optical sampling. A simple method based on variance calculation of sampled data is proposed in this paper to tune the wave plates in a motor-driven polarization controller. In the experiment, an optical sampling system base on SFG in PPLN is carried for a 10Gbit/s or beyond optical data signal. The results demonstrate that, with the proposed method, the error of estimated Q factor from the sampled data is least, and the tuning time of optimized polarization state is less than 30 seconds with the accuracy of ±1°.

Paper Details

Date Published: 5 August 2015
PDF: 6 pages
Proc. SPIE 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 96190V (5 August 2015); doi: 10.1117/12.2193517
Show Author Affiliations
Zhao Zhao, Beijing Institute of Technology (China)
Aiying Yang, Beijing Institute of Technology (China)
Lihui Feng, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 9619:
2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing
Yi Dong; Chao Lu; Jian Wu; Zhaohui Li, Editor(s)

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