Frontiers of Optoelectronics, 2020, 13 (2): 149, 网络出版: 2020-11-25   

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

Fe3O4 nanoparticle-enabled mode-locking in an erbiumdoped fiber laser
作者单位
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
摘要
Abstract
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.

Xiaohui LI, Jiajun PENG, Ruisheng LIU, Jishu LIU, Tianci FENG, Abdul Qyyum, Cunxiao GAO, Mingyuan XUE, Jian ZHANG. Fe3O4 nanoparticle-enabled mode-locking in an erbiumdoped fiber laser[J]. Frontiers of Optoelectronics, 2020, 13(2): 149. Xiaohui LI, Jiajun PENG, Ruisheng LIU, Jishu LIU, Tianci FENG, Abdul Qyyum, Cunxiao GAO, Mingyuan XUE, Jian ZHANG. Fe3O4 nanoparticle-enabled mode-locking in an erbiumdoped fiber laser[J]. Frontiers of Optoelectronics, 2020, 13(2): 149.

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