Wideband multiwavelength erbium-doped fiber ring laser with frequency shifted feedback

被引：88
作者：
Kim, SK [1 ]
Chu, MJ [1 ]
Lee, JH [1 ]
机构：
[1] Elect & Telecommun Res Inst, Network Technol Labs, Dept Opt Commun, Yusong Gu, Taejon 305350, South Korea
来源：
OPTICS COMMUNICATIONS | 2001年 / 190卷 / 1-6期
关键词：
fiber lasers; erbium; wavelength division multiplexing; multiwavelength;
D O I：
10.1016/S0030-4018(01)01073-2
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Wideband multiwavelength erbium-doped fiber ring lasers with frequency shifted feedback are described. The use of an intra-cavity gain flattening filter (GFF) was proposed in order to increase the lasing spectral bandwidth, leading to a demonstration of 34 lasing wavelengths in 28 nm bandwidth in C-band. The GFF induced spectral output power fluctuation is discussed. Multiwavelength operation was also demonstrated for the first time in L-band, where wideband laser operation was obtained without a GFF. Optical bistability and Kerr effect induced pulsation were determined to be limiting factors to stable operation range in this kind of multiwavelength lasers. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：291 / 302
页数：12
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