Experimental and Theoretical Investigation of the Polymer Optical Fiber Random Laser with Resonant Feedback

Jijun He*, Wing-Kin Edward Chan, Xin Cheng, Ming-Leung Vincent Tse, Chao Lu, Ping-Kong Alexander Wai, Svetislav Savovic, Hwa-Yaw Tam

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

32 Citations (Scopus)


1D random fiber laser is a novel fiber-based laser, which exhibits many unique optical properties and shows great promise for various applications including speckle-free imaging. A multimode and coherent polymer optical fiber random laser (POFRL) is successfully fabricated by doping TiO2 nanoparticles and Rh640 perchlorate dyes in the core of a polymer optical fiber (POF). The waveguide effect provided by the POF greatly increases the multiscattering events for light propagation and results in laser cavity with much shorter length than the scattering mean free path. As an illustration of potential applications, a clear speckle-free imaging is demonstrated using the POFRL as the illumination source. Furthermore, a four-level Monte Carlo method-based numerical model is proposed to describe the lasing dynamics in POFRL. The model supports the experimental work in the research field of POFRL.

Original languageEnglish
Article number1701187
JournalAdvanced Optical Materials
Issue number7
Early online date7 Feb 2018
Publication statusPublished - Apr 2018

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

User-Defined Keywords

  • fiber devices
  • imaging
  • Monte Carlo simulations
  • polymer optical fibers
  • random lasers


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