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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 4 — Feb. 14, 2011
  • pp: 3758–3764

Nonlinear compression of Q-Switched laser pulses to the realm of ultrashort durations

Alexander Steinmetz, Tino Eidam, Dirk Nodop, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations


Optics Express, Vol. 19, Issue 4, pp. 3758-3764 (2011)
http://dx.doi.org/10.1364/OE.19.003758


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Abstract

Mode-locked lasers have an undisputed position in the ultrafast domain, though they are fairly expensive for miscellaneous applications. Thus, laser consumers revert to more cost-effective systems like Q-switched lasers. Here we report on the nonlinear compression of passively Q-switched laser pulses that allows accessing the time domain of sub-10-picoseconds, which has been so far the realm of mode-locked lasers. Laser pulses with an initial duration of 100ps from a passively Q-switched microchip laser are amplified in a photonic crystal fiber and spectrally broadened from 20pm to 0.68nm by self-phase modulation. These pulses are compressed in a grating compressor to a duration of 6ps with a pulse energy of 13µJ.

© 2011 OSA

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3570) Lasers and laser optics : Lasers, single-mode
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 9, 2010
Revised Manuscript: January 12, 2011
Manuscript Accepted: January 15, 2011
Published: February 11, 2011

Citation
Alexander Steinmetz, Tino Eidam, Dirk Nodop, Jens Limpert, and Andreas Tünnermann, "Nonlinear compression of Q-Switched laser pulses to the realm of ultrashort durations," Opt. Express 19, 3758-3764 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-4-3758


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