A novel two-stage spectral compression structure em-ploying a logarithmic DIF interconnected with an HNLF- NOLM
A novel two-stage spectral compression structure em-ploying a logarithmic DIF interconnected with an HNLF- NOLM
摘要
A novel two-stage spectral compression structure which employs a logarithmic dispersion increasing fiber （DIF） in- terconnected with a highly nonlinear linear fiber-nonlinear optical loop mirror （HNLF-NOLM） is proposed and dem- onstrated by numerical simulation. The numerical simulation is implemented by solving the generalized nonlinear SchrOdinger equation using split-step Fourier method, where the soliton number is in the range of 0.5≤N≤1.4. The re- suits show that the spectra are well-compressed and low-pedestal, and the maximum spectral compression ratio （SCR） can reach 10.93 when N=l.4.
基金
supported by the National Basic Research Program of China(No.2012CB315701)
the National Natural Science Foundation of China(No.61205109)
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