激光阈值
随机激光器
材料科学
散射
实现(概率)
激光器
纳米颗粒
光学
纤维
光散射
光纤激光器
拉曼散射
分子物理学
光电子学
纳米技术
物理
拉曼光谱
复合材料
统计
数学
作者
Zhijia Hu,Qun Zhang,Bo Miao,Qiang Fu,Gang Zou,Yang Chen,Yi Luo,Douguo Zhang,Pei Wang,Hai Ming,Qijin Zhang
标识
DOI:10.1103/physrevlett.109.253901
摘要
We demonstrate the realization of a coherent random fiber laser (RFL) in the extremely weakly scattering regime, which contains a dispersive solution of polyhedral oligomeric silsesquioxanes nanoparticles (NPs) and laser dye pyrromethene 597 in carbon disulfide that was injected into a hollow optical fiber. Multiple scattering of polyhedral oligomeric silsesquioxanes NPs greatly enhanced by the waveguide confinement effect was experimentally verified to account for coherent lasing observed in our RFL system. This Letter extends the NPs-based RFLs from the incoherent regime to the coherent regime.
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