Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
58 (1991), S. 2205-2207
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
We study the dynamics of an electrically pumped p-Ge laser with frequency fixed to 100 cm−1 by a novel selective cavity. The growing laser power increases the pump current long before it reaches a saturating power level, an effect explained by photoionization. We further find that the laser pulse can be delayed or even quenched by injected off-resonance far-infrared radiation. This effect not only gives a gain coefficient of 0.01 cm−1 and a saturation power of 400 W−which confirms the high-power capability of the laser−but furthermore reveals a novel quasihomogeneous broadening of the gain spectrum caused by transit-time effects of rapidly moving holes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.105235
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