Zobrazeno 1 - 9
of 9
pro vyhledávání: '"D W E Allsopp"'
Publikováno v:
Physica Scripta. 67:68-73
By device simulation, it is shown that non-square quantum well growth (well shaping) provides a means for reducing the threshold current of bipolar quantum well diode lasers. Calculations of subband structure, optical matrix elements and laser gain a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa1165f11b64fbf79f8cea0915e64dec
https://doi.org/10.1238/physica.regular.067a00068
https://doi.org/10.1238/physica.regular.067a00068
Publikováno v:
Optical and Quantum Electronics. 31:1189-1206
The Wannier–Stark effect has been investigated in strongly coupled three quantum well structures and 23.5 period superlattices consisting of 25 A wide GaAs wells separated by Al0.25Ga0.75As barriers of the same width. A blue shift associated with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb56a69d66ae9b150ed5443d8e22f51a
https://doi.org/10.1023/a:1007058925698
https://doi.org/10.1023/a:1007058925698
Autor:
V Roberts, D W E Allsopp
Publikováno v:
Semiconductor Science and Technology. 11:1346-1353
The current - voltage characteristics of heterojunction bipolar transistors and Si homojunction bipolar transistors grown by MBE have been measured with the aim of elucidating the causes of degraded common-emitter gain and low . It is shown that high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf443a665082215f1314259087a47194
https://doi.org/10.1088/0268-1242/11/9/017
https://doi.org/10.1088/0268-1242/11/9/017
Publikováno v:
Proc. SPIE, San Francisco, CA, 24 January 2010 through 28 January 2010
info:cnr-pdr/source/autori:W. N. Wang, P. A. Shields, C. Liu, D. W. E. Allsopp, F. Causa/congresso_nome:Proc. SPIE/congresso_luogo:San Francisco, CA/congresso_data:24 January 2010 through 28 January 2010/anno:2011/pagina_da:/pagina_a:/intervallo_pagine
info:cnr-pdr/source/autori:W. N. Wang, P. A. Shields, C. Liu, D. W. E. Allsopp, F. Causa/congresso_nome:Proc. SPIE/congresso_luogo:San Francisco, CA/congresso_data:24 January 2010 through 28 January 2010/anno:2011/pagina_da:/pagina_a:/intervallo_pagine
The proceedings contain 76 papers. The topics discussed include: mid-IR quantum cascade lasers as an enabling technology for a new generation of chemical analyzers for liquids; quantum cascade laser sensors for online gas chromatography; high finesse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=cnr_________::7a69cd421c74a1b69bda8650ca5442e8
https://publications.cnr.it/doc/382744
https://publications.cnr.it/doc/382744
Autor:
D W E Allsopp, R T Carline
Publikováno v:
Semiconductor Science and Technology. 6:1151-1157
A new, approximate model for determining the one-dimensional charge control characteristics of quasi-square quantum well channel heterojunction field-effect transistors is presented. The model involves solving self-consistently the one-dimensional fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::270820479ba2d671aa3c8b810cd6f5c6
https://doi.org/10.1088/0268-1242/6/12/009
https://doi.org/10.1088/0268-1242/6/12/009
Autor:
D W E Allsopp, S P Wilson
Publikováno v:
Semiconductor Science and Technology. 5:952-960
The modulation of the potential barrier of an isotype heterojunction by the incorporation during epitaxial growth of thin, heavily doped n and p regions either side of the heterointerface has been investigated by computer modelling. The resulting dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92322b9adee128d35d508202f0ab5920
https://doi.org/10.1088/0268-1242/5/9/005
https://doi.org/10.1088/0268-1242/5/9/005
Autor:
I Gîrgel, A Šatka, J Priesol, P-M Coulon, E D Le Boulbar, T Batten, D W E Allsopp, P A Shields
Publikováno v:
Journal of Physics D: Applied Physics; 4/18/2018, Vol. 51 Issue 15, p1-1, 1p
Autor:
I Gîrgel, A Šatka, J Priesol, P-M Coulon, E D Le Boulbar, T Batten, D W E Allsopp, P A Shields
Publikováno v:
Journal of Physics D: Applied Physics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b4fb81b4eb395b73b2100f6a1afbc405
Autor:
C G Bryce, E D Le Boulbar, P-M Coulon, P R Edwards, I Gîrgel, D W E Allsopp, P A Shields, R W Martin
Publikováno v:
Journal of Physics D: Applied Physics; 10/25/2017, Vol. 50 Issue 42, p1-1, 1p