Generating femtosecond optical pulses tunable from 2 to 3  μm with a silica-based all-fiber laser system

Femtosecond pulses with broad tunability in the range of 2-3 μm are generated in a germanate-glass core silica-glass cladding fiber with a driving pulse at 2 μm produced by an all-fiber laser system consisting of an Er:fiber source at 1.6 μm, a Raman fiber shifter, and a Tm:fiber amplifier. We demon...

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Bibliographic Details
Published in:Optics letters 2014-05, Vol.39 (10), p.2963-2966
Main Authors: Anashkina, E A, Andrianov, A V, Yu Koptev, M, Muravyev, S V, Kim, A V
Format: Article
Language:English
Subjects:
Amplifiers
Amplifiers, Electronic
Cladding
Equipment Design
Equipment Failure Analysis
Femtosecond
Femtosecond pulses
Fiber lasers
Fiber Optic Technology - instrumentation
Fibers
Lasers
Optical pulses
Signal Processing, Computer-Assisted - instrumentation
Silicon Dioxide - chemistry
Surface Plasmon Resonance - instrumentation
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Description
Summary:Femtosecond pulses with broad tunability in the range of 2-3 μm are generated in a germanate-glass core silica-glass cladding fiber with a driving pulse at 2 μm produced by an all-fiber laser system consisting of an Er:fiber source at 1.6 μm, a Raman fiber shifter, and a Tm:fiber amplifier. We demonstrate optical pulses with a duration of the order of 100 fs that are the shortest ones reported in the 2.5-3 μm range obtained by fiber laser systems.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.39.002963