High-power frequency comb at 2 μm wavelength emitted by a Tm-doped fiber laser system | Zendy

Christian Gaida | Zendy; Tobias Heuermann | Zendy; Martin Gebhardt | Zendy; Evgeny Shestaev | Zendy; T. Butler | Zendy; Daniel Gerz | Zendy; Nikolai Lilienfein | Zendy; Philipp Sulzer | Zendy; M. Fischer | Zendy; Ronald Holzwarth | Zendy; Alfred Leitenstorfer | Zendy; Ioachim Pupeza | Zendy; Jens Limpert | Zendy

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High-power frequency comb at 2 μm wavelength emitted by a Tm-doped fiber laser system

Author(s) -

Christian Gaida,

Tobias Heuermann,

Martin Gebhardt,

Evgeny Shestaev,

T. Butler,

Daniel Gerz,

Nikolai Lilienfein,

Philipp Sulzer,

M. Fischer,

Ronald Holzwarth,

Alfred Leitenstorfer,

Ioachim Pupeza,

Jens Limpert

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.43.005178

Subject(s) - optics , fiber laser , materials science , wavelength , laser , optical fiber , frequency comb , erbium doped fiber amplifier , doping , dispersion shifted fiber , optoelectronics , fiber optic sensor , optical amplifier , physics

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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