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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 6 — Mar. 24, 2014
  • pp: 7284–7289

Graphene mode-locked Cr:ZnS chirped-pulse oscillator

Nikolai Tolstik, Andreas Pospischil, Evgeni Sorokin, and Irina T. Sorokina  »View Author Affiliations

Optics Express, Vol. 22, Issue 6, pp. 7284-7289 (2014)

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We report the first to our knowledge high-energy graphene mode-locked solid-state laser operating in the positive dispersion regime. Pulses with 15.5 nJ energy and 42 nm spectral bandwidth with 0.87 ps duration were obtained at 2.4 μm wavelength. The output can be compressed down to 189 fs. The graphene absorber damage threshold was established at fluence approaching 1 mJ/cm2.

© 2014 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Modelocked Oscillators

Original Manuscript: January 7, 2014
Revised Manuscript: March 4, 2014
Manuscript Accepted: March 11, 2014
Published: March 21, 2014

Virtual Issues
2013 Advanced Solid State Lasers (2013) Optics Express

Nikolai Tolstik, Andreas Pospischil, Evgeni Sorokin, and Irina T. Sorokina, "Graphene mode-locked Cr:ZnS chirped-pulse oscillator," Opt. Express 22, 7284-7289 (2014)

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  1. I. H. Baek, H. W. Lee, S. Bae, B. H. Hong, Y. H. Ahn, D.-I. Yeom, F. Rotermund, “Efficient mode-locking of sub-70-fs Ti:sapphire laser by graphene saturable absorber,” Appl. Phys. Express 5(3), 032701 (2012). [CrossRef]
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