Single and double bosonic stimulation of THz emission in polaritonic systems

The influence of the surrounding cavity on the efficiency of different types of polaritonic emitters of THz radiation has been analysed. It is demonstrated that THz lasing threshold in realistic structures cannot be achieved without a THz cavity, due to destruction of polaritons via excitonic Mott t...

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Bibliographic Details
Published in:Scientific reports 2014-06, Vol.4 (1), p.5444-5444, Article 5444
Main Authors: Kaliteevski, M. A., Ivanov, K. A., Pozina, G., Gallant, A. J.
Format: Article
Language:English
Subjects:
639/624/400/2797
639/624/400/561
Electrons
Humanities and Social Sciences
multidisciplinary
Science
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Summary:The influence of the surrounding cavity on the efficiency of different types of polaritonic emitters of THz radiation has been analysed. It is demonstrated that THz lasing threshold in realistic structures cannot be achieved without a THz cavity, due to destruction of polaritons via excitonic Mott transition. Even modest values of cavity quality factor (not exceeding 50) provide significant quantum efficiency.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep05444