Chinese Optics Letters, Vol. 2, Issue 9, 09549 (2004)
Performance improvement of 10-Gb/s XGM wavelength conversion by using polarization control structure
Weiwei Shi*, Hanyi Zhang, Yili Guo, Keying Wu, Xiang Teng, and Langbin Hu
- Department of Electronic Engineering, Tsinghua University, Beijing 100084
By utilizing the cross polarization modulation effect in semiconductor optical amplifier (SOA), the extinction ratio of cross gain modulation (XGM) wavelength conversion was enhanced, the pattern effect was significantly reduced, and the power penalty of wavelength conversion was reduced by 5 dB simultaneously. Furthermore, by adjusting the settings of polarization controllers, both inverted and non-inverted wavelength conversion can be achieved right in the same wavelength converter.
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