Challenges for intersubband terahertz emitters and possible solutions through advanced numerical simulations

PEREIRA, Mauro (2009). Challenges for intersubband terahertz emitters and possible solutions through advanced numerical simulations. In: Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications, 2009. TERA-MIR 2009. International Workshop. IEEE, 53-54.

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Abstract

This talk starts with an overview of present challenges for TERA-MIR devices and the state of the art of the most promising device for this range: the quantum cascade laser (QCL). The need for advanced quantum statistical mechanics, many particle and nonequilibrium Physics to describe these devices will be explained and results of our leading edge simulator will be presented. In the last part of the talk progress on intersubband lasing without inversion will be discussed, since those designs can mitigate some of the most crucial problems faced by THz QCLs. In particular the influence of increasing dephasing on the k-space filtering mechanism will be discussed.

Item Type:	Book Section
Additional Information:	Conference held Turunc-Marmaris , Nov. 3 2009-Oct. 6 2009.
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Electronic Materials and Sensors Research Group
Identification Number:	https://doi.org/10.1109/TERAMIR.2009.5379633
Page Range:	53-54
Depositing User:	Helen Garner
Date Deposited:	10 Dec 2014 11:46
Last Modified:	18 Mar 2021 19:00
URI:	https://shura.shu.ac.uk/id/eprint/8976

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