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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 3972–3974

Generation of sub-7-cycle optical pulses from a mode-locked ytterbium-doped single-mode fiber oscillator pumped by polarization-combined 915 nm laser diodes

Takashi Kurita, Hidetsugu Yoshida, Toshiyuki Kawashima, and Noriaki Miyanaga  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 3972-3974 (2012)
http://dx.doi.org/10.1364/OL.37.003972


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Abstract

We report on a passively mode-locked ytterbium-doped fiber oscillator pumped by polarization-combined diodes emitting at a wavelength of 915 nm instead of 976 nm. Stable mode-locked operation based on nonlinear polarization evolution generated a broad spectrum of 140 nm, spanning from 950 to 1090 nm. The output power was 16.3 mW at a repetition rate of 93.1 MHz. External compression using a pair of transmission gratings resulted in pulse durations as short as 21.6 fs, which is equivalent to 6.6 cycle optical pulses at a wavelength of around 1000 nm.

© 2012 Optical Society of America

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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 18, 2012
Revised Manuscript: August 22, 2012
Manuscript Accepted: August 22, 2012
Published: September 19, 2012

Citation
Takashi Kurita, Hidetsugu Yoshida, Toshiyuki Kawashima, and Noriaki Miyanaga, "Generation of sub-7-cycle optical pulses from a mode-locked ytterbium-doped single-mode fiber oscillator pumped by polarization-combined 915 nm laser diodes," Opt. Lett. 37, 3972-3974 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-3972

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