A decrease in the noise Stokes field modulation during the induced Mandel'shtam-Brillouin scattering in a single-mode optical fiber with high Rayleigh scattering losses

被引:1
作者
Fotiadi, AA [1 ]
Kiyan, RV [1 ]
机构
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
基金
俄罗斯基础研究基金会;
关键词
Line Width; Modulation Amplitude; Field Intensity; Mandel; Radiation Pulse;
D O I
10.1134/1.1352782
中图分类号
O59 [应用物理学];
学科分类号
摘要
Noise fluctuations of the Stokes field intensity during the induced Mandel'shtam-Brillouin scattering (IMBS) of microsecond pumping radiation pulses in a 300-m-long single-mode optical fiber with 17 dB/km losses were experimentally studied. As the pumping pulse width increases from 20 to 600 mus, the noise modulation amplitude of the IMBS intensity and the IMBS line width tend to decrease. This phenomenon is explained by a distributed feedback mechanism related to the double Rayleigh backscattering of the Stokes component of IMBS. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码:164 / 167
页数:4
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