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Two-well quantum ca...
Two-well quantum cascade laser optimization by non-equilibrium Green's function modelling
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- Franckié, M. (author)
- ETH Zürich
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- Bosco, L. (author)
- ETH Zürich
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- Beck, M. (author)
- ETH Zürich
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- Bonzon, C. (author)
- ETH Zürich
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- Mavrona, E. (author)
- ETH Zürich
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- Scalari, G. (author)
- ETH Zürich
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- Wacker, A. (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Faist, J. (author)
- ETH Zürich
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(creator_code:org_t)
- AIP Publishing, 2018
- 2018
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 112:2
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Abstract
Subject headings
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- We present a two-quantum well THz intersubband laser operating up to 192 K. The structure has been optimized using non-equilibrium Green's function model. The result of this optimization was confirmed experimentally by growing, processing, and measuring a number of proposed designs. At high temperature (T > 200 K), the simulations indicate that lasing fails due to a combination of electron-electron scattering, thermal backfilling, and, most importantly, re-absorption coming from broadened states.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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