激光线宽
瑞利散射
光学
激光器
光纤激光器
反向散射(电子邮件)
材料科学
分布反馈激光器
光纤
波长
瑞利分布
单模光纤
相干后向散射
物理
散射
电信
计算机科学
无线
作者
A.R. Chraplyvy,D. Marcuse,R.W. Tkach
标识
DOI:10.1109/jlt.1986.1074747
摘要
The effects of Rayleigh backscatter feedback from single-mode fibers on the spectral behavior of 1.5μm InGaAsP DFB lasers were measured. Rayleigh backscattering narrows the laser linewidth and induces frequency hops. The probability distribution for finding the laser at a particular frequency is reasonably approximated by a Gaussian distribution which has a width proportional to the laser-fiber coupling efficiency. Laser frequency excursions up to 1 GHz were observed and larger shifts are predicted to occur for stronger laser-fiber coupling. The experimental results agree well With a theory based on the Van der Pol oscillator model.
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