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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 18 — Sep. 15, 2012
  • pp: 3795–3797

Single-frequency gain-switched Ho-doped fiber laser

Jihong Geng, Qing Wang, Tao Luo, Bryson Case, Shibin Jiang, Farzin Amzajerdian, and Jirong Yu  »View Author Affiliations

Optics Letters, Vol. 37, Issue 18, pp. 3795-3797 (2012)

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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 1.95 μm 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 1.2 m active fiber pumped at 803 nm. Two different nonlinear effects, i.e., modulation instability and stimulated Brillouin scattering, could be seen in the 10 μm-core fiber amplifier when the peak power exceeds 3 kW. The single-frequency gain-switched fiber laser was operated at 2.05 μm, a popular laser wavelength for Doppler lidar application. This is the first demonstration of this kind of fiber laser.

© 2012 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 5, 2012
Revised Manuscript: July 31, 2012
Manuscript Accepted: July 31, 2012
Published: September 6, 2012

Jihong Geng, Qing Wang, Tao Luo, Bryson Case, Shibin Jiang, Farzin Amzajerdian, and Jirong Yu, "Single-frequency gain-switched Ho-doped fiber laser," Opt. Lett. 37, 3795-3797 (2012)

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