Articles with "femtosecond pulse" as a keyword



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All-fiber phase-control-free coherent-beam combining toward femtosecond-pulse amplification

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Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.08.029

Abstract: Abstract Our present work is to develop an all-fiber coherent-beam-combining system that achieves a high-energy femtosecond-pulse fiber laser beyond pulse energy limits due to the nonlinear effects in fiber amplifiers. Coherent-beam combining (CBC) using optical… read more here.

Keywords: coherent beam; femtosecond pulse; beam combining; beam ... See more keywords
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Fiber nanogratings induced by femtosecond pulse laser direct writing for in-line polarizer.

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Published in 2019 at "Nanoscale"

DOI: 10.1039/c8nr06078a

Abstract: Self-organized fiber nanogratings (FNGs) induced by femtosecond pulse laser direct writing are demonstrated in optical silica fibers for the first time. Ge doping in the silica fiber core plays an important role in the formation… read more here.

Keywords: induced femtosecond; direct writing; fiber nanogratings; laser direct ... See more keywords
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Application of nonlinear pulse shaping of femtosecond pulse generation in a fiber amplifier at 500 MHz repetition rate

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Published in 2018 at "Laser Physics"

DOI: 10.1088/1555-6611/aa9fb4

Abstract: We numerically and experimentally demonstrate that a nonlinear pulse shaping technique based on pre-chirping management in a short gain fiber can be exploited to improve the quality of a compressed pulse. With prior tuning of… read more here.

Keywords: pulse generation; shaping femtosecond; pulse shaping; femtosecond pulse ... See more keywords
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Formation of chirped solitons when a femtosecond pulse passes through a layer with an inhomogeneous refractive index in a medium with cubic nonlinearity

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Published in 2018 at "Bulletin of the Russian Academy of Sciences: Physics"

DOI: 10.3103/s1062873818010094

Abstract: A way of forming a new class of solitons—chirped (or aberrational) solitons—when a pulse passes through a layered nonlinear structure in a cubically nonlinear medium is demonstrated by means of computer simulation. It is shown… read more here.

Keywords: chirped solitons; pulse passes; medium; solitons femtosecond ... See more keywords