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Proceedings Paper

Power-equalized C+L band multi-wavelength fiber laser based on cascaded semiconductor optical amplifier
Author(s): Zhaoying Wang; Miaomiao Hu; Dongfang Jia; Tianxin Yang
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Paper Abstract

In this paper, a multi-wavelength fiber laser based on cascaded semiconductor optical amplifier (SOA) was proposed by using a high birefringence fiber loop mirror (Hi-Bi FLM) as wavelength filter. The 0.6nm homogeneous broadening line-width of the SOA enabled laser oscillation with WDM ITU-grid spacing possible. The output 16 wavelengths in C+L band spacing on 100GHz were obtained. By using passive single-pass optical feedback, the power-equalized oscillating spectrum is broadened so that simultaneous oscillation of 27 lines spaced on 100GHz was achieved. The lines were power-equalized to within ±3dB and the extinction was better than 25dB. An active single-pass optical feedback mechanism was also used to further equalize the output power. Then the 18 lines within ±1.5dB were obtained with extinction better than 30dB.

Paper Details

Date Published: 16 November 2010
PDF: 6 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 784725 (16 November 2010); doi: 10.1117/12.869785
Show Author Affiliations
Zhaoying Wang, Tianjin Univ. (China)
Miaomiao Hu, Tianjin Univ. (China)
Dongfang Jia, Tianjin Univ. (China)
Tianxin Yang, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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