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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 8 — Apr. 15, 2012
  • pp: 1334–1336

Square-wave pulse with ultra-wide tuning range in a passively mode-locked fiber laser

Xianming Zhang, Chun Gu, Guoliang Chen, Biao Sun, Lixin Xu, Anting Wang, and Hai Ming  »View Author Affiliations

Optics Letters, Vol. 37, Issue 8, pp. 1334-1336 (2012)

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We report the generation of ultrawide tunable square-wave pulse in an erbium-doped mode-locked fiber laser. The pulse width can be tuned in an ultrawide range of more than 1700 ns by simply increasing the pump power. The pulse-width tuning is 5.1ns/mW. To the best of our knowledge, this is the widest pulse-width tuning range of any square-wave pulse in an all-fiber passively mode-locked fiber laser. Experimental results show that the fiber nonlinearity plays an important role in the tuning range of the output pulse width. The high nonlinearity helps to increase the tuning range of the pulse width.

© 2012 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3600) Lasers and laser optics : Lasers, tunable
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 23, 2011
Revised Manuscript: February 7, 2012
Manuscript Accepted: February 17, 2012
Published: April 10, 2012

Xianming Zhang, Chun Gu, Guoliang Chen, Biao Sun, Lixin Xu, Anting Wang, and Hai Ming, "Square-wave pulse with ultra-wide tuning range in a passively mode-locked fiber laser," Opt. Lett. 37, 1334-1336 (2012)

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