Research on optimized algorithm in the PMD adaptive compensation

Tangjun Li; Muguang Wang; Shuisheng Jian; Yong Chen; Jihong Cao; Libo Cai; Jing Zhao

doi:10.1117/12.570141

11 February 2005 Research on optimized algorithm in the PMD adaptive compensation

Tangjun Li, Muguang Wang, Shuisheng Jian, Yong Chen, Jihong Cao, Libo Cai, Jing Zhao

Proceedings Volume 5625, Optical Transmission, Switching, and Subsystems II; (2005) https://doi.org/10.1117/12.570141
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

Dynamic programming, the ordinary adaptive compensation in the operational research, is used to resolve extremum of functions under the constraint condition. In this paper, it is introduced that, fundamentals, methods and steps about the first-order PMD compensation by dynamic programming. The result shows that, for the first-order PMD compensation, dynamic programming is used to carry out optimized design, and the result is satisfied. Beginning with recursive relation of PMD vectors in the fiber and the compensation devices, mathematical model of the first-order PMD compensation is established. Through optimized algorithm using dynamic programming, simulation and experiment for PMD adaptive compensation are both implemented. Some optimized algorithms once used in the PMD adaptive compensation have slow speed to approximate the optimal value and tends to become the local optimal solution; but if optimized algorithm using dynamic programming can approximate the global optimal solution directly. Therefore, it has the advantage of fast optimized speed. On this basis, the image of optimal solution is given and analyzed. PMD compensation scheme, based on PMD compensation vector, is proposed. The algorithm principle of adjusting control and the direction of improvement are also put forward. These results are benefit for dynamic adaptive compensation of PMD.

Citation Download Citation

Tangjun Li, Muguang Wang, Shuisheng Jian, Yong Chen, Jihong Cao, Libo Cai, and Jing Zhao "Research on optimized algorithm in the PMD adaptive compensation", Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); https://doi.org/10.1117/12.570141

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KEYWORDS

Computer programming

Polarization

Mathematical modeling

Fiber optic communications

Telecommunications

Adaptive optics

Optical communications

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