Noise amplification during supercontinuum generation in microstructure fiber

被引:121
作者
Newbury, NR
Washburn, BR
Corwin, KL
Windeler, RS
机构
[1] Natl Inst Stand & Technol, Div Optoelect, Boulder, CO 80305 USA
[2] OFS Labs, Murray Hill, NJ 07974 USA
关键词
D O I
10.1364/OL.28.000944
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Supercontinua generated by femtosecond pulses launched in microstructure fiber can exhibit significant low-frequency (<1-MHz) amplitude noise on the output pulse train. We show that this low-frequency noise - is an amplified version of the amplitude noise that is already present on the input laser pulse train. Through both experimental measurements and numerical simulations, we quantify the noise amplification factor and its dependence on the supercontinuum wavelength and on the energy and duration of the input pulse.. Interestingly, the dependence differs significantly from that of the broadband white-noise component, which arises from amplification of the input laser shot noise.
引用
收藏
页码:944 / 946
页数:3
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