High-power frequency comb at 2 μm wavelength emitted by a Tm-doped fiber laser system
C Gaida, T Heuermann, M Gebhardt, E Shestaev… - Optics letters, 2018 - opg.optica.org
Optics letters, 2018•opg.optica.org
We report on the generation of a high-power frequency comb in the 2 μm wavelength regime
featuring high amplitude and phase stability with unprecedented laser parameters,
combining 60 W of average power with< 30 fs pulse duration. The key components of the
system are a mode-locked Er: fiber laser, a coherence-preserving nonlinear broadening
stage, and a high-power Tm-doped fiber chirped-pulse amplifier with subsequent nonlinear
self-compression of the pulses. Phase locking of the system resulted in a phase noise of less …
featuring high amplitude and phase stability with unprecedented laser parameters,
combining 60 W of average power with< 30 fs pulse duration. The key components of the
system are a mode-locked Er: fiber laser, a coherence-preserving nonlinear broadening
stage, and a high-power Tm-doped fiber chirped-pulse amplifier with subsequent nonlinear
self-compression of the pulses. Phase locking of the system resulted in a phase noise of less …
We report on the generation of a high-power frequency comb in the 2 μm wavelength regime featuring high amplitude and phase stability with unprecedented laser parameters, combining 60 W of average power with <30 fs pulse duration. The key components of the system are a mode-locked Er:fiber laser, a coherence-preserving nonlinear broadening stage, and a high-power Tm-doped fiber chirped-pulse amplifier with subsequent nonlinear self-compression of the pulses. Phase locking of the system resulted in a phase noise of less than 320 mrad measured within the 10 Hz–30 MHz band and 30 mrad in the band from 10 Hz to 1 MHz.
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