4.6 Article

Graphene mode-locked Cr:ZnS chirped-pulse oscillator

Journal

OPTICS EXPRESS
Volume 22, Issue 6, Pages 7284-7289

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.22.007284

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Funding

  1. Austrian Science Fund (FWF) [P24916]
  2. Norwegian Research Council (NFR) [FRITEK/191614, NANO2021/N219686]
  3. Austrian Science Fund (FWF) [P24916] Funding Source: Austrian Science Fund (FWF)

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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 mu m wavelength. The output can be compressed down to 189 fs. The graphene absorber damage threshold was established at fluence approaching 1 mJ/cm(2). (C) 2014 Optical Society of America

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