Effect of initial chirp of fs laser pulse on supercontinuum generation in nanofiber

Hao Yang; Guoying Feng; Linli Li; Ruoxi Yang; Tianjiao Xia

doi:10.1117/12.795259

9 September 2008 Effect of initial chirp of fs laser pulse on supercontinuum generation in nanofiber

Hao Yang, Guoying Feng, Linli Li, Ruoxi Yang, Tianjiao Xia

Proceedings Volume 7039, Nanoengineering: Fabrication, Properties, Optics, and Devices V; 70391K (2008) https://doi.org/10.1117/12.795259
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

Using split-step Fourior method, the effect of initial chirp of femtosecond laser pulse on supercontinuum generation in nanofiber is numerically simulated. The results show that the initial chirp of femtosecond laser pulse play different roles in normal or anomalous dispersion region. In anomalous dispersion region, the positive chirp is profitable for spectrum broading, and spectrum width increases with the chirp. The effect of initial negative chirp is opposite. However, in normal dispersion region, the negative initial chirp can also be used to broaden the spectrum compared with the case of zero chirp.

Citation Download Citation

Hao Yang, Guoying Feng, Linli Li, Ruoxi Yang, and Tianjiao Xia "Effect of initial chirp of fs laser pulse on supercontinuum generation in nanofiber", Proc. SPIE 7039, Nanoengineering: Fabrication, Properties, Optics, and Devices V, 70391K (9 September 2008); https://doi.org/10.1117/12.795259

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