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Optical Engineering

Alignment algorithms for planar optical waveguides
Author(s): Yu Zheng; Ji-an Duan
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Paper Abstract

Planar optical waveguides are the key elements in a modern, high-speed optical network. An important problem facing the optical fiber communication system is optical-axis alignment and coupling between waveguide chips and transmission fibers. The advantages and disadvantages of the various algorithms used for the optical-axis alignment, namely, hill-climbing, pattern search, and genetic algorithm are analyzed. A new optical-axis alignment for planar optical waveguides is presented which is a composite of a genetic algorithm and a pattern search algorithm. Experiments have proved the proposed alignment's feasibility; compared with hill climbing, the search process can reduce the number of movements by 88% and reduce the search time by 83%. Moreover, the search success rate in the experiment can reach 100%.

Paper Details

Date Published: 1 October 2012
PDF: 6 pages
Opt. Eng. 51(10) 103401 doi: 10.1117/1.OE.51.10.103401
Published in: Optical Engineering Volume 51, Issue 10
Show Author Affiliations
Yu Zheng, Central South Univ. (China)
Ji-an Duan, Central South Univ. (China)

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