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Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 2008–2011

Two-color optically synchronized ultrashort pulses from a Tm/Yb-co-doped fiber amplifier

M. Yu. Koptev, E. A. Anashkina, A. V. Andrianov, S. V. Muravyev, and A. V. Kim  »View Author Affiliations

Optics Letters, Vol. 39, Issue 7, pp. 2008-2011 (2014)

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A method of producing high quality, optically synchronized two-color ultrashort pulses in an active thulium-doped fiber is proposed. We show that sech-shaped femtosecond pulses with essentially different wavelengths can be generated directly from a Tm/Yb-co-doped amplifier: one pulse at about 2 μm and the second pulse with a tunable wavelength up to 2.3 μm, which covers the pump and gain regions of Cr:ZnSe and Cr:ZnS amplifiers. The shortest pulses with durations of 145 fs at 2.25 μm and 125 fs at 2 μm were measured by the FROG (frequency-resolved optical gating) technique.

© 2014 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(190.5650) Nonlinear optics : Raman effect

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: December 11, 2013
Revised Manuscript: March 4, 2014
Manuscript Accepted: March 4, 2014
Published: March 25, 2014

M. Yu. Koptev, E. A. Anashkina, A. V. Andrianov, S. V. Muravyev, and A. V. Kim, "Two-color optically synchronized ultrashort pulses from a Tm/Yb-co-doped fiber amplifier," Opt. Lett. 39, 2008-2011 (2014)

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