Predictive nonequilibrium Green's function simulation of transport in THz quantum cascade lasers

SCHMIELAU, Tim and PEREIRA, Mauro (2009). Predictive nonequilibrium Green's function simulation of transport in THz quantum cascade lasers. In: Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications, 2009. TERA-MIR 2009. International Workshop. IEEE, 67-68.

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Official URL: http://dx.doi.org/10.1109/TERAMIR.2009.5379624
Link to published version:: 10.1109/TERAMIR.2009.5379624

Abstract

Efficient and predictive simulators are an essential tool for design and optimization of quantum cascade lasers (QCLs), since experimental trial and error is a time-consuming and expensive process due to the high complexity involved in the growth and processing of samples. We present a highly efficient implementation of a next-generation QCL simulator based on nonequilibrium Green's functions (NGFs), which are particularly suited for QCL simulation mainly for two reasons: (i) The operation of QCLs sensitively depends on the balance between coherent transport and scattering which NGFs can describe consistently. (ii) NGFs explicitly guarantee energy conservation.

Item Type: Book Section
Additional Information: Conference held Turunc-Marmaris, Nov. 3 2009-Oct. 6 2009 .
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
Identification Number: 10.1109/TERAMIR.2009.5379624
Depositing User: Helen Garner
Date Deposited: 10 Dec 2014 13:15
Last Modified: 10 Dec 2014 13:15
URI: http://shura.shu.ac.uk/id/eprint/8986

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