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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 18894–18899

Generation of tunable picosecond pulses by pulse stacking in an Yb-fiber gain-assisted pulse stacker

Qiang Hao, Wenxue Li, Yao Li, Ming Yan, and Heping Zeng  »View Author Affiliations

Optics Express, Vol. 17, Issue 21, pp. 18894-18899 (2009)

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We report on the generation of tunable picosecond pulses of high repetition rate by pulse stacking in an Yb-fiber stacker that benefited from high optical gain, properly time delay and laser synchronization. The gain-assisted pulse stacker could be controlled for pulse shaping to produce tunable pulse duration from ps to sub-ns range by managing the intracavity dispersion and adjusting the time delay. The energy loss during the pulse shaping process was compensated by the gain of a 60-cm-long Yb-fiber pumped by a diode laser. The temporal profiles of the output pulses were measured by using a special cross-correlation technique. The duration of the stacked pulses could be tuned from 5 to 200 ps with a controllable time interval.

© 2009 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(320.5540) Ultrafast optics : Pulse shaping
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Ultrafast Optics

Original Manuscript: August 26, 2009
Revised Manuscript: September 23, 2009
Manuscript Accepted: September 25, 2009
Published: September 5, 2009

Qiang Hao, Wenxue Li, Yao Li, Ming Yan, and Heping Zeng, "Generation of tunable picosecond pulses by pulse stacking in an Yb-fiber gain-assisted pulse stacker," Opt. Express 17, 18894-18899 (2009)

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