Fe3O4 nanoparticle-enabled mode-locking in an erbiumdoped fiber laser  

作　　者：Xiaohui LI Jiajun PENG Ruisheng LIU Jishu LIU Tianci FENG Abdul Qyyum Cunxiao GAO Mingyuan XUE Jian ZHANG 

机构地区：[1]College of Physics and Information Technology,Shaanxi Normal University,Xi'an 710119,China [2]State Key Laboratory of Transient Optics and Photonics,Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi'an 710119,China

出　　处：《Frontiers of Optoelectronics》2020年第2期149-155,共7页光电子前沿（英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant No.61605106);Funded projects for the Academic Leader and Academic Backbones,Shaanxi Normal University(No.18QNGG006);Shaanxi International Cooperation Project(No.2020KW-005);Starting Grants of Shaanxi Normal University(Nos.1112010209 and 1110010717);Open Research Fund of State Key Laboratory of Transient Optics and Photonics,Chinese Academy of Sciences(No.SKLST201809);Fundamental Research Funds for the Central Universities(Nos.GK201802006 and 2018CSLY005).

摘　　要：In this paper,we have proposed and demonstrated the generation of passively mode-locked pulses and dissipative soliton resonance in an erbium-doped fiber laser based on Fe3O4 nanoparticles as saturable absorbers.We obtained self-starting mode-locked pulses with fundamental repetition frequency of 7.69 MHz and center wavelength of 1561 nm.The output of a pulsed laser has spectral width of 0.69 nm and pulse duration of 14 ns with rectangular pulse profile at the pump power of 190 mW.As far as we know,this is the first time that Fe3O4 nanoparticles have been developed as low-dimensional materials for passive mode-locking with rectangular pulse.Our experiments have confirmed that Fe3O4 has a wide prospect as a nonlinear photonics device for ultrafast fiber laser applications.

关 键 词：FE3O4 rectangular pulse dissipative soliton erbium-doped fiber nonlinear photonics 

分 类 号：TN248[电子电信—物理电子学]