Single-frequency gain-switched Ho-doped fiber laser

Jihong Geng; Q. Wang; T. Luo; B. Case; S. Jiang; Farzin Amzajerdian; Jirong Yu

doi:10.1117/12.930970

15 October 2012 Single-frequency gain-switched Ho-doped fiber laser

Jihong Geng, Q. Wang, T. Luo, B. Case, S. Jiang, Farzin Amzajerdian, Jirong Yu

Proceedings Volume 8519, Nanophotonics and Macrophotonics for Space Environments VI; 85190N (2012) https://doi.org/10.1117/12.930970
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

We demonstrate a single-frequency gain-switched Ho-doped fiber laser based on heavily doped silicate glass fiber fabricated in house. A Q-switched Tm-doped fiber laser at 1.95μm was used to gain-switch the Ho-doped fiber laser via in-band pumping. Output power of the single-frequency gain-switched pulses has been amplified in a cladding-pumped Tm-Ho-codoped fiber amplifier with 1.2m active fiber pumped at 803nm. Two different nonlinear effects, i.e., modulation instability and stimulated Brillouin scattering, could be seen in the 10μm-core fiber amplifier when the peak power exceeds 3kW. The single-frequency gain-switched fiber laser was operated at 2.05μm, a popular laser wavelength for Doppler lidar application. This is the first demonstration of this kind of fiber laser.

Citation Download Citation

Jihong Geng, Q. Wang, T. Luo, B. Case, S. Jiang, Farzin Amzajerdian, and Jirong Yu "Single-frequency gain-switched Ho-doped fiber laser", Proc. SPIE 8519, Nanophotonics and Macrophotonics for Space Environments VI, 85190N (15 October 2012); https://doi.org/10.1117/12.930970

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KEYWORDS

Fiber lasers

Fiber amplifiers

Pulsed laser operation

Silicate glass

Laser scattering

Q switched lasers

Scattering

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