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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 23 — Dec. 1, 2010
  • pp: 3868–3870

Self-compensation of third-order dispersion for ultrashort pulse generation demonstrated in an Yb fiber oscillator

Naoya Kuse, Yutaka Nomura, Akira Ozawa, Makoto Kuwata-Gonokami, Shuntaro Watanabe, and Yohei Kobayashi  »View Author Affiliations


Optics Letters, Vol. 35, Issue 23, pp. 3868-3870 (2010)
http://dx.doi.org/10.1364/OL.35.003868


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Abstract

Compensation of the intracavity dispersion in the mode-locked oscillator is known to be one of the most important factors for ultrashort pulse generation. However, recent investigations of a Yb-doped fiber mode-locked oscillator revealed that precise third-order dispersion (TOD) compensation is not always necessary for ultrashort pulse generation, owing to the strong nonlinearity that compensates residual TOD without reducing its spectral bandwidth. The origin of the nonlinear TOD compensation has remained unclear. To investigate the process in detail, we studied the pulse evolution inside a 30 fs Yb-doped fiber mode-locked oscillator both experimentally and numerically, and we found that the nonlinear phase shift with a temporally asymmetric pulse shape introduces an appropriate amount of TOD that exactly cancels the residual cavity dispersion.

© 2010 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 30, 2010
Revised Manuscript: October 21, 2010
Manuscript Accepted: October 26, 2010
Published: November 17, 2010

Citation
Naoya Kuse, Yutaka Nomura, Akira Ozawa, Makoto Kuwata-Gonokami, Shuntaro Watanabe, and Yohei Kobayashi, "Self-compensation of third-order dispersion for ultrashort pulse generation demonstrated in an Yb fiber oscillator," Opt. Lett. 35, 3868-3870 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-23-3868

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