Adler, F.
and Diddams, S.
(2012),
High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 υm wavelength region, Optics Letters
(Accessed December 14, 2024)
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High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 υm wavelength region
Published
Author(s)
,
Abstract
We present a 2-υm frequency comb based on a reliable mode-locked Er:fiber laser with 100 MHz repetition rate. After shifting the spectrum of the amplified Er:fiber comb to longer wavelengths, a single-clad Tm/Ho:fiber is used as a self-pumped pre-amplifier to generate a coherent and broadband spectrum centered at 1.93 υm. Subsequently, a cladding-pumped Tm:fiber amplifier boosts the system to a maximum output power of 4.8 W at 1.96 υm. After compression in a compact grating compressor, our Er:fiber/Tm:fiber hybrid system delivers as much as 2.9 W with a pulse duration of 141 fs. The systems comb properties are examined via heterodyne measurement.Citation
Optics Letters
Volume
37
Issue
9
Pub Type
Journals
Keywords
fiber amplifiers, fiber lasers, frequency combs, frequency noise, infrared lasers, nonlinear optics, supercontinuum generation, Thulium-doped lasers, ultrashort pulses
Citation
Issues
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Created May 1, 2012, Updated February 19, 2017