• 文献标题:   Generation of tunable multi-wavelength EDFL by using graphene thin film as nonlinear medium and stabilizer
  • 文献类型:   Article
  • 作  者:   AHMAD H, HASSAN NA, AIDIT SN, TIU ZC
  • 作者关键词:   multiwavelength edfl, nonlinear polarization rotation, graphene thin film
  • 出版物名称:   OPTICS LASER TECHNOLOGY
  • ISSN:   0030-3992 EI 1879-2545
  • 通讯作者地址:   Univ Malaya
  • 被引频次:   10
  • DOI:   10.1016/j.optlastec.2016.01.024
  • 出版年:   2016

▎ 摘  要

The applications of graphene thin film as a nonlinear medium and stabilizer to generate a stable multi wavelength is proposed and demonstrated. A 50 m long highly nonlinear photonic crystal fiber (PCF) is incorporated into the cavity to achieve unstable multi-wavelength based on nonlinear polarization rotation (NPR) effect. By introducing the graphene thin film into the cavity, a stable multi-wavelength oscillation is obtained. The laser generates more than 7 lasings with constant spacing of 0.47 nm. The output is highly stable with power fluctuation of less than 3 dB within a period of 30 min. The multi wavelength EDFL exhibits a tunability from the center wavelength of 1550 nm to 1560 nm. (C) 2016 Elsevier Ltd. All rights reserved.