Continuous-Wave Mid-Infrared Gas Fiber Lasers

Mengrong Xu, Fei Yu, Muhammad Rosdiabu Hassan, Jonathan C. Knight

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Efficient continuous-wave laser emission of acetylene molecules at 3.1 μm wavelength has been demonstrated in low-loss hollow-core fiber by optically pumping using a fiber-amplified diode laser around 1.53 μm. In this paper, we report and compare the continuous-wave laser performance of acetylene molecules in the cavity and single-pass configurations. The use of low-loss antiresonant hollow-core fiber makes the single-pass configuration ideal for high-power laser generation and enables over 1.1 W continuous-wave mid-infrared laser output with over 33% slope efficiency relative to the absorbed pump power. The systematic characterization of power-scaling and pump power absorption properties demonstrates that the molecular kinetics inside hollow-core fiber determines the laser performance, and that low fiber attenuation is key to high-efficiency continuous-wave output.

Original languageEnglish
Article number8255800
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume24
Issue number3
DOIs
Publication statusPublished - 1 May 2018

Fingerprint

Gas lasers
gas lasers
Fiber lasers
continuous radiation
fiber lasers
Continuous wave lasers
Infrared radiation
fibers
Fibers
hollow
continuous wave lasers
Acetylene
acetylene
Pumps
pumps
Molecules
Infrared lasers
High power lasers
laser outputs
configurations

Keywords

  • gas lasers
  • optical fiber lasers
  • Optical fibers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Continuous-Wave Mid-Infrared Gas Fiber Lasers. / Xu, Mengrong; Yu, Fei; Hassan, Muhammad Rosdiabu; Knight, Jonathan C.

In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 24, No. 3, 8255800, 01.05.2018.

Research output: Contribution to journalArticle

Xu, Mengrong ; Yu, Fei ; Hassan, Muhammad Rosdiabu ; Knight, Jonathan C. / Continuous-Wave Mid-Infrared Gas Fiber Lasers. In: IEEE Journal of Selected Topics in Quantum Electronics. 2018 ; Vol. 24, No. 3.
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