Cascade-avalanche up-conversion and generation of nonequilibrium electron-hole pairs in type-II heterostructures with deep quantum wells
Journal of Optical Technology, Vol. 73, Issue 1, pp. 9-17 (2006)
http://dx.doi.org/10.1364/JOT.73.000009
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Abstract
This paper discusses the possibility of forming a photon avalanche in type-II heterostructures with deep quantum wells. The threshold IR light intensities that cause avalanche are hundreds of kilowatts per square centimeter. It is shown that a photon-avalanche mechanism can be used to generate nonequilibrium electron-hole pairs with weak IR light having a photon energy a factor of 3-5 less than the band gap of the semiconductor. The energy to switch the system between states with strong and weak absorption of the pump light ranges from a few to tens of picojoules per square micrometer.
Citation
E. Yu. Perlin, A. V. Ivanov, and R. S. Levitskii, "Cascade-avalanche up-conversion and generation of nonequilibrium electron-hole pairs in type-II heterostructures with deep quantum wells," J. Opt. Technol. 73, 9-17 (2006)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-73-1-9
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