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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 10 — May. 10, 2010
  • pp: 10049–10054

Passively Q-switched erbium all-fiber lasers by use of thulium-doped saturable-absorber fibers

Tzong-Yow Tsai, Yen-Cheng Fang, and Shih-Hao Hung  »View Author Affiliations

Optics Express, Vol. 18, Issue 10, pp. 10049-10054 (2010)

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We demonstrate all-fiber passively Q-switched erbium lasers at 1570 nm using Tm3+-doped saturable-absorber fibers. The absorption cross section of a Tm3+-doped fiber at 1570 nm was measured in a bleaching experiment to be about 1.44 × 10−20 cm2. With a thulium-doped fiber, sequential pulses with a pulse energy of 9 μJ and a pulse duration of about 420 ns were stably produced at repetition rates in the range 0.1 to 2 kHz. The maximum pulse repetition rate was 6 kHz, limited by the maximum pump power of a 980-nm laser diode, about 230 mW.

© 2010 OSA

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 31, 2010
Revised Manuscript: April 24, 2010
Manuscript Accepted: April 26, 2010
Published: April 28, 2010

Tzong-Yow Tsai, Yen-Cheng Fang, and Shih-Hao Hung, "Passively Q-switched erbium all-fiber lasers by use of thulium-doped saturable-absorber fibers," Opt. Express 18, 10049-10054 (2010)

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