Passively cascade-pulsed erbium ZBLAN all-fiber laser
TY Tsai, YC Fang, HX Tsao, ST Lin, C Hu - Optics Express, 2012 - opg.optica.org
TY Tsai, YC Fang, HX Tsao, ST Lin, C Hu
Optics Express, 2012•opg.optica.orgWe propose and numerically demonstrate a cascade pulsing mechanism in a CW-pumped
Er^ 3+: ZBLAN all-fiber laser system. In the design, the laser was pumped at 980 nm and
passively Q-switched at 1.6 μm. The Q-switched resonance reduced the population on^
4I_13/2 of the erbium gain fiber, thereby creating a population inversion between the levels
of 4I11/2 and^ 4I_13/2, and instantly inducing an intense gain-switched pulse at 2.7 μm.
Sequential 2.7-μm single-mode pulsing with a pulse energy of 170 μJ and a peak power of 6 …
Er^ 3+: ZBLAN all-fiber laser system. In the design, the laser was pumped at 980 nm and
passively Q-switched at 1.6 μm. The Q-switched resonance reduced the population on^
4I_13/2 of the erbium gain fiber, thereby creating a population inversion between the levels
of 4I11/2 and^ 4I_13/2, and instantly inducing an intense gain-switched pulse at 2.7 μm.
Sequential 2.7-μm single-mode pulsing with a pulse energy of 170 μJ and a peak power of 6 …
We propose and numerically demonstrate a cascade pulsing mechanism in a CW-pumped Er^3+:ZBLAN all-fiber laser system. In the design, the laser was pumped at 980 nm and passively Q-switched at 1.6 μm. The Q-switched resonance reduced the population on ^4I_13/2 of the erbium gain fiber, thereby creating a population inversion between the levels of 4I11/2 and ^4I_13/2, and instantly inducing an intense gain-switched pulse at 2.7 μm. Sequential 2.7-μm single-mode pulsing with a pulse energy of 170 μJ and a peak power of 6 kW was achieved with an absorbed pump power of 0.65 W.
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