Large-mode-area erbium-ytterbium-doped photonic-crystal fiber amplifier for high-energy femtosecond pulses at 1.55 �m | Zendy

Akira Shirakawa | Zendy; Jun Ota | Zendy; Mitsuru Musha | Zendy; Kenichi Nakagawa | Zendy; Kenichi Ueda | Zendy; Jacob Riis Folkenberg | Zendy; Jes Broeng | Zendy

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Large-mode-area erbium-ytterbium-doped photonic-crystal fiber amplifier for high-energy femtosecond pulses at 1.55 �m

Author(s) -

Akira Shirakawa,

Jun Ota,

Mitsuru Musha,

Kenichi Nakagawa,

Kenichi Ueda,

Jacob Riis Folkenberg,

Jes Broeng

Publication year - 2005

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.001221

Subject(s) - materials science , optics , supercontinuum , photonic crystal fiber , femtosecond , erbium , ytterbium , fiber laser , extinction ratio , amplifier , fiber , optoelectronics , laser , doping , wavelength , physics , cmos , composite material

We report a high-energy femtosecond fiber amplifier based on an air-cladded single-transverse-mode erbium-ytterbium-codoped photonic-crystal fiber with a 26-microm mode-field-diameter. 700-fs, 47-MHz pulses at 1557 nm were amplified and compressed to near-transform-limited 100-fs, 7.4-nJ pulses with 54-kW peak powers without chirped-pulse amplification. A linearly polarized output with an extinction ratio exceeding 42 dB was obtained by double-pass configuration. As an application, supercontinuum spanning from 1000 to 2500 nm was generated by a successive 2-m high-nonlinear fiber with a 140-mW average power.

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