Theoretical modelling of S-band thulium-doped silica fibre amplifiers
نویسندگان
چکیده
منابع مشابه
Thulium environment in a silica doped optical fibre
Thulium-doped optical fibre amplifiers (TDFA) are developed to extend the optical telecommunication wavelength division multiplexing (WDM) bandwidth in the so-called S-band (1460–1530 nm). The radiative transition at 1.47 μm (3H4 3F4) competes with a non-radiative multiphonon de-excitation (3H4 -3H5). The quantum efficiency of the transition of interest is then highly affected by the phonon ene...
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Short wavelength operation (1650-1800 nm) of silica-based thulium-doped fiber amplifiers (TDFAs) is investigated. We report the first demonstration of in-band diode-pumped silica-based TDFAs working in the 1700-1800 nm waveband. Up to 29 dB of small-signal gain is achieved in this spectral region, with an operation wavelength accessible by diode pumping as short as 1710 nm. Further gain extensi...
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We present preparation and spectroscopic characterization of the Tm-doped fibers with enhanced 3H4 fluorescence lifetime thanks to codoping with alumina. With the alumina content of 10 mol %, the fluorescence lifetime of 58 s was achieved. Using experimentally obtained fiber characteristics, we used numerical simulations to study and optimize for the first time the thulium-doped fiber amplifie...
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Silica-based thulium-doped fiber devices operating around 810 nm would extend the spectral range covered by highpower fiber devices. Using a comprehensive numerical model of the fiber we have shown that efficient lasing at 810 nm can be achieved for specific ranges of the laser cavity parameters in silica-based thulium-doped fibers with enhanced 3 H4 lifetime up to 58 !s as measured in our high...
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ژورنال
عنوان ژورنال: Optical and Quantum Electronics
سال: 2004
ISSN: 0306-8919
DOI: 10.1023/b:oqel.0000015640.82309.7d