Femtosecond coherent seeding of a broadband Tm:fiber amplifier by an Er:fiber system | Zendy

Sören Kumkar | Zendy; Günther Krauss | Zendy; Marcel Wunram | Zendy; David Fehrenbacher | Zendy; Umıt Demırbas | Zendy; Daniele Brida | Zendy; Alfred Leitenstorfer | Zendy

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Femtosecond coherent seeding of a broadband Tm:fiber amplifier by an Er:fiber system

Author(s) -

Sören Kumkar,

Günther Krauss,

Marcel Wunram,

David Fehrenbacher,

Umıt Demırbas,

Daniele Brida,

Alfred Leitenstorfer

Publication year - 2012

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.37.000554

Subject(s) - optics , materials science , fiber laser , broadband , seeding , femtosecond , dispersion shifted fiber , wavelength , optical fiber , amplifier , coherence (philosophical gambling strategy) , photonic crystal fiber , fiber , nonlinear optics , optoelectronics , laser , fiber optic sensor , physics , cmos , composite material , thermodynamics , quantum mechanics

We generate broadband pulses covering the Yb: and Tm:silica amplification ranges with a passively phase-locked front end based on Er:fiber technology. Full spectral coherence of the octave-spanning output from highly nonlinear germanosilicate bulk fibers is demonstrated. Seeding of a high-power Tm:fiber generates pulses with a clean spectral shape and a bandwidth of 50 nm at a center wavelength of 1.95 μm, pulse energy of 250 nJ, and repetition rate of 10 MHz.

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