首页|Full bandwidth statistical properties of the Raman random fiber laser
Full bandwidth statistical properties of the Raman random fiber laser
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维普
The Raman random fiber laser[RRFL]is a typical complex physical system due to the intrinsic random feedback of the fiber,which causes complexity in the RRFL output.So far,the time-domain statistical attributes of the RRFL are still not fully characterized.In this paper,the temporal statistical properties of the RRFL are investigated comprehensively for the first time under the full bandwidth condition.First,the time-domain intensity statistical characteristics of the RRFL under the full bandwidth condition are theoretically studied:the results demonstrate that the intensity probability density function of the RRFL is related to the pump power and observing position and deviates inward from the exponential distribution,indicating that correlation exists between the different frequency components in the spectrum.Afterward,in the validation experi-ment,an elaborate structure is designed to realize a narrow-bandwidth 1053 nm RRFL,and its full bandwidth temporal intensity statistical features manifest an identical variation pattern to the simulation results.This work fills a vacancy in the study of RRFL temporal statistical features and rigorously reveals the different physical mechanisms between RRFL and amplified spontaneous emission light sources,providing instructions for the application of the RRFL.
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维普
