Chinese Journal of Lasers B, 2001, 10 (6): 465, 网络出版: 2006-08-10  

Enhanced Compression of Fundamental Solitons in Dispersion Decreasing Fibers with Negative Third-order Dispersion Ⅱ. Effects of Fiber Characteristics and Initial Soliton Width

作者单位
1 Department of Electronic & Information Engineering, Wuyi University, Jiangmen 529020, China
2 Institute of Quantum Electronics, South China Normal University, Guangzhou 510631, China
摘要
Abstract
Previous work have shown that the combined effects of negative third-order dispersion (TOD) and Raman self-scattering (RSS) can significantly enhance soliton compression in dispersion decreasing fibers (DDFs). In this paper, the effects of the negative TOD coefficient and the effective amplification of DDF′s on the performance of soliton compression are investigated. It is shown that for a given initial soliton width and a given effective amplification, there exists an optimum value of the negative TOD coefficient of the DDF at which the enhancement in soliton compression is maximum. It is also shown that the compression enhancement saturates when the effective amplification exceeds a certain value, which has been explained as a compromise between the higher-order effects induced increase of the ratio of input to output group-velocity dispersion coefficients of the DDF and the TOD induced non-adiabatic compression characteristics. The dependence of the compression enhancement on the initial soliton width have also be studied and the scheme is found works well for solitons with initial widths less than 3 ps.

CAO Wenhua, GUO Qi, LIU Songhao. Enhanced Compression of Fundamental Solitons in Dispersion Decreasing Fibers with Negative Third-order Dispersion Ⅱ. Effects of Fiber Characteristics and Initial Soliton Width[J]. Chinese Journal of Lasers B, 2001, 10(6): 465. CAO Wenhua, GUO Qi, LIU Songhao. [J]. 中国激光(英文版), 2001, 10(6): 465.

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