Digital polarization encoding based on orthogonal polarization rotation in a semiconductor optical amplifier

Zhengyong Li; Chongqing Wu; S. S. Yang; C. Y. Tian; R. Y. Zhang

doi:10.1117/12.804278

18 November 2008 Digital polarization encoding based on orthogonal polarization rotation in a semiconductor optical amplifier

Zhengyong Li, Chongqing Wu, S. S. Yang, C. Y. Tian, R. Y. Zhang

Author Affiliations +

Proceedings Volume 7135, Optoelectronic Materials and Devices III; 71352S (2008) https://doi.org/10.1117/12.804278
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

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.

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Zhengyong Li, Chongqing Wu, S. S. Yang, C. Y. Tian, and R. Y. Zhang "Digital polarization encoding based on orthogonal polarization rotation in a semiconductor optical amplifier", Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71352S (18 November 2008); https://doi.org/10.1117/12.804278

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KEYWORDS

Polarization

Computer programming

Semiconductor optical amplifiers

Optical communications

Telecommunications

Continuous wave operation

Data communications

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