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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 12 — Jun. 4, 2012
  • pp: 13123–13128

Q-switched induced gain switching of a two-transition cascade laser

Jianfeng Li, Tomonori Hu, and Stuart D. Jackson  »View Author Affiliations

Optics Express, Vol. 20, Issue 12, pp. 13123-13128 (2012)

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A gain-switched laser transition, of a two-laser-transition cascade laser, that is driven by the adjacent laser transition which is Q-switched is demonstrated using a Ho3+-doped fluoride fiber laser. Q-switching the 5I65I7 transition at 3.002 µm produces stable gain-switched pulses from the 5I75I8 transition at 2.074 µm; however, Q-switching the 5I75I8 transition produced multiple gain switched pulses from the 5I65I7 transition. The gain-switched pulses were measured to be of a similar duration to the Q-switched pulses suggesting that much shorter pulses of closer duration could be generated at pump power higher levels.

© 2012 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 19, 2012
Revised Manuscript: May 14, 2012
Manuscript Accepted: May 21, 2012
Published: May 25, 2012

Jianfeng Li, Tomonori Hu, and Stuart D. Jackson, "Q-switched induced gain switching of a two-transition cascade laser," Opt. Express 20, 13123-13128 (2012)

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