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260 fs and 1 nJ pulse generation from a compact, mode-locked Tm-doped fiber laser
Author(s) -
Grzegorz Soboń,
Jarosław Sotor,
Iwona Pasternak,
Aleksandra Krajewska,
Włodek Strupiński,
Krzysztof M. Abramski
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.031446
Subject(s) - fiber laser , materials science , optics , supercontinuum , ultrashort pulse , laser , fiber bragg grating , mode locking , optoelectronics , amplifier , photonic crystal fiber , wavelength , physics , cmos
We report on generation of 260 fs-short pulses with energy of 1.1 nJ from a fully fiberized, monolithic Tm-doped fiber laser system. The design comprises a simple, graphene-based ultrafast oscillator and an integrated all-fiber chirped pulse amplifier (CPA). The system generates 110 mW of average power at 100.25 MHz repetition rate and central wavelength of 1968 nm. This is, to our knowledge, the highest pulse energy generated from a fully fiberized sub-300 fs Tm-doped laser, without the necessity of using grating-based dispersion compensation. Such compact, robust and cost-effective system might serve as a seed source for nonlinear frequency conversion or mid-infrared supercontinuum generation.

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