Dark Pulse Generation in a Dispersion-Managed Fiber Laser¹

H. P. Li*, H. D. Xia, Z. Jing, J. K. Liao, X. G. Tang, Y. Liu, and Y. Z. Liu

School of Optoelectronic Information, University of Electronic Science and Technology of China,
Chengdu 610054, China

*e-mail: oehpli@uestc.edu.cn

Received July 17, 2011; in final form, August 4, 2011; published online November 28, 2011

Abstract—We report an experimental observation of dark pulse generation in a dispersion-managed erbium-
doped fiber laser with net anomalous cavity group-velocity dispersion. It is found that apart from the bright soli-
ton pulses, dark pulses with spectral sidebands could be obtained in the laser under appropriate operating con-
ditions. The generation of dark pulses may be attributed to soliton shaping in the cavity.

DOI: 10.1134/S1054660X12010094

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