Unveiling optical rogue wave behavior with temporally localized structures in Brillouin random fiber laser comb  

作　　者：Yuxi Pang Qiang Ji Shaonian Ma Xian Zhao Zengguang Qin Zhaojun Liu Ping Lu Xiaoyi Bao Yanping Xu 

机构地区：[1]Shandong University,Center for Optics Research and Engineering,Qingdao,China [2]Shandong University,Key Laboratory of Laser and Infrared System of the Ministry of Education,Qingdao,China [3]Shandong University,School of Information Science and Engineering,Qingdao,China [4]National Research Council Canada,Ottawa,Canada [5]University of Ottawa,Physics Department,Ottawa,Canada

出　　处：《Advanced Photonics Nexus》2024年第2期59-74,共16页先进光子学通讯（英文）

基　　金：supported by the National Natural Science Foundation of China (Grant No.62105180);the Natural Science Foundation of Shandong Province (Grant Nos.ZR2020MF110 and ZR2020MF118);the Taishan Scholar Foundation of Shandong Province (Grant No.tsqn202211027);the Qilu Young Scholar Program of Shandong University;the National Grant Program for High-level Returning Oversea Talents (2023).

摘　　要：The optical rogue wave(RW),known as a short-lived extraordinarily high amplitude dynamics phenomenon with small appearing probabilities,plays an important role in revealing and understanding the fundamental physics of nonlinear wave propagations in optical systems.The random fiber laser(RFL),featured with cavity-free and“modeless”structure,has opened up new avenues for fundamental physics research and potential practical applications combining nonlinear optics and laser physics.Here,the extreme event of optical RW induced by noise-driven modulation instability that interacts with the cascaded stimulated Brillouin scattering,the quasi-phase-matched four-wave mixing as well as the random mode resonance process is observed in a Brillouin random fiber laser comb(BRFLC).Temporal and statistical characteristics of the RWs concerning their emergence and evolution are experimentally explored and analyzed.Specifically,temporally localized structures with high intensities including chair-like pulses with a sharp leading edge followed by a trailing plateau appear frequently in the BRFLC output,which can evolve to chair-like RW pulses with adjustable pulse duration and amplitude under controlled conditions.This investigation provides a deep insight into the extreme event of RWs and paves the way for RW manipulation for its generation and elimination in RFLs through adapted laser configuration.

关 键 词：optical rogue wave modulation instability random fiber laser cascaded stimulated Brillouin scattering four-wave mixing temporally localized structure 

分 类 号：TN2[电子电信—物理电子学]