Amplification of dissipative solitons with a polarisation-maintaining tapered fibre amplifier

The generation of strongly chirped dissipative solitons offers great opportunities for generating high-power laser pulses of short duration. We demonstrate the possibility of amplifying such pulses in a polarisation-maintaining tapered fibre having 32 μm mode diameter at the output end. Highly chirp...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2018-12, Vol.48 (12), p.1105-1108
Main Authors: Kuznetsov, A.G., Kharenko, D.S., Babin, S.A.
Format: Article
Language:English
Subjects:
AMPLIFICATION
AMPLIFIERS
Circuits
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIFFRACTION GRATINGS
dissipative soliton
femtosecond laser
FIBERS
Gratings (spectra)
High power lasers
LASERS
MHZ RANGE
mode locking
MODULATION
optical fibre
Phase modulation
POLARIZATION
Pulse repetition rate
PULSES
Solitary waves
SOLITONS
SPECTRA
taper
WAVELENGTHS
ytterbium amplifier
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Summary:The generation of strongly chirped dissipative solitons offers great opportunities for generating high-power laser pulses of short duration. We demonstrate the possibility of amplifying such pulses in a polarisation-maintaining tapered fibre having 32 μm mode diameter at the output end. Highly chirped pulses with a repetition rate of 14.3 MHz and a duration of 10 ps at 1055 nm centre wavelength are amplified in an all-fibre circuit to 2.11 μJ energy and compressed by diffraction gratings to a duration of ∼297 fs. Reducing the pulse repetition rate to 1 MHz allows a 16.5 μJ output pulse energy to be achieved without manifestations of SRS and self-phase modulation in the spectrum.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16853