Continuous-Wave Mid-Infrared Gas Fiber Lasers

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

doi:10.1109/JSTQE.2018.2792842

Continuous-Wave Mid-Infrared Gas Fiber Lasers

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

Research output: Contribution to journal › Article

6 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 language	English
Article number	8255800
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	24
Issue number	3
DOIs	https://doi.org/10.1109/JSTQE.2018.2792842
Publication status	Published - 1 May 2018

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Keywords

gas lasers
optical fiber lasers
Optical fibers

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Cite this

Xu, M., Yu, F., Hassan, M. R., & Knight, J. C. (2018). Continuous-Wave Mid-Infrared Gas Fiber Lasers. IEEE Journal of Selected Topics in Quantum Electronics, 24(3), [8255800]. https://doi.org/10.1109/JSTQE.2018.2792842

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Access to Document

10.1109/JSTQE.2018.2792842Licence: CC BY

Link to publication in Scopus