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Proceedings Paper

Digital polarization encoding based on orthogonal polarization rotation in a semiconductor optical amplifier
Author(s): Zhengyong Li; Chongqing Wu; S. S. Yang; C. Y. Tian; R. Y. Zhang
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Paper Abstract

We investigate the polarization-dependent mode gains and polarization rotation (PR) of the semiconductor optical amplifier in pump-probe scheme, and find that the relationship between polarization rotation (PR) and mode gains keeps well under different pump power. Thus we can simply obtain the PR angle by measurement of the mode gains. Choosing suitable injected current we realize the orthogonal polarization rotation by pump laser with power of ~3.5 mW. Then we propose a novel digital polarization encoding scheme and perform it well in a 10-km fiber transmission system with data rate at 2.5 G-bit/s, which is promising to promote the optical power-equalized encoding communications.

Paper Details

Date Published: 18 November 2008
PDF: 6 pages
Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71352S (18 November 2008); doi: 10.1117/12.804278
Show Author Affiliations
Zhengyong Li, Beijing Jiaotong Univ. (China)
Chongqing Wu, Beijing Jiaotong Univ. (China)
S. S. Yang, Beijing Jiaotong Univ. (China)
C. Y. Tian, Beijing Jiaotong Univ. (China)
R. Y. Zhang, Beijing Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 7135:
Optoelectronic Materials and Devices III
Yi Luo; Jens Buus; Fumio Koyama; Yu-Hwa Lo, Editor(s)

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