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Modulation instabilities and stimulated Raman scattering in Nd(3+)- and Er(3+)-doped fibers by picosecond laser pulses

机译:皮秒激光脉冲在Nd(3+)和Er(3+)掺杂光纤中的调制不稳定性和受激拉曼散射

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Abstract: Nonlinear changes in the spectra of 100-picosecond optical pulses at 1061 nm transmitted through Nd$+3$PLU$/ and Er$+3$PLU$/ doped optical silica fibers were investigated both experimentally and theoretically. Generation of the Stokes and anti-Stokes frequency satellites was measured in Er$+3$PLU$/ fibers and identified with the modulation instability due to four-wave mixing and stimulated Raman scattering. The generation of the Stokes Raman component was measured for single-core-mode double-clad Nd$+3$PLU$/ fibers. !7
机译:摘要:通过掺杂Nd $ + 3 $ PLU $ /和Er $ + 3 $ PLU $ /的石英光纤,研究了在1061 nm处的100皮秒光脉冲光谱的非线性变化。在Er $ + 3 $ PLU $ /光纤中测量了斯托克斯和反斯托克斯频率卫星的生成,并确定了由于四波混频和受激拉曼散射而引起的调制不稳定性。对于单芯模双包层Nd $ + 3 $ PLU $ /光纤,测量了Stokes拉曼分量的产生。 !7

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