Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Mhh Kuball"'
Autor:
M. A. Renucci, Nicolas Grandjean, Jean Massies, Mhh Kuball, J. Gleize, J. Frandon, F. Demangeot
Publikováno v:
Thin Solid Films. 364:156-160
We report on Raman scattering in hexagonal GaN quantum wells embedded in Al0.11Ga0.89N barriers, The six monolayers thick quantum wells, grown by molecular beam epitaxy, are deposited on a GaN buffer layer. Resonant enhancement of the Raman lines ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7091f1b87fa6965cb5caa40c67a110bc
https://doi.org/10.1016/s0040-6090(99)00908-6
https://doi.org/10.1016/s0040-6090(99)00908-6
Autor:
Peter J Heard, Tao Wang, Martin J Cryan, Mhh Kuball, A. R. Md Zain, Erman Engin, Nikolai A. Hueting, Andrei Sarua
Publikováno v:
Scopus-Elsevier
A deep etched 1D Distributed Bragg Reflector (DBR) cavity in GaN-AlN-Sapphire has been analytically modelled and simulated using 2D FDTD. A 3rd-order DBR has also been modelled including dye loaded polymer layer which can be used for emission enhance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa94858bba0cf7d07ce1cc3c4d52cb5c
https://doi.org/10.1109/icton.2012.6253827
https://doi.org/10.1109/icton.2012.6253827
Autor:
C Marinelli, T. Takeuchi, Mohamed Benyoucef, Richard P. Schneider, Richard V. Penty, L.J. Sargent, Mhh Kuball, Ian H. White, Peter J Heard, Ghulam Hasnain, Judy M Rorison, Mariangela Gioannini, M Bordovsky
Publikováno v:
Applied Physics Letters. 79:4076-4078
The key parameters in the fabrication of deep-etch high-order λ/4 Bragg gratings for short-wavelength nitride-based lasers are investigated. Calculations indicate that, for an air-gap thickness of 1.73 μm and single-spot Gaussian beam profile, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2edf550090231f021e49179975c1d9f6
https://doi.org/10.1063/1.1424061
https://doi.org/10.1063/1.1424061
Autor:
C Chen, Arto V. Nurmikko, ES Jeon, H Liu, C. P. Kuo, RS Kern, A. Vertikov, Mhh Kuball, Y-K Song, MG Craford, V. Kozlov
Publikováno v:
Applied Physics Letters. 69:4194-4196
Transient photoluminescence measurements are reported on a thin InGaN single quantum well, encompassing the high injection regime. The radiative processes that dominate the recombination dynamics, especially at low temperatures, show the impact of lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b7e7d9b99c6e512c2db15da7803fac2
https://doi.org/10.1063/1.116983
https://doi.org/10.1063/1.116983
Autor:
DK Babic, Richard V. Penty, Ian H. White, Peter J Heard, Sy Wang, Scott W. Corzine, Mhh Kuball, M.R.T. Tan, Judy M Rorison, L.J. Sargent
Publikováno v:
SPIE Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba6a26c3bf287cac1d793010f2215e62
https://doi.org/10.1117/12.347101
https://doi.org/10.1117/12.347101
Publikováno v:
Scopus-Elsevier
Summary form only given. We use near-field scanning optical microscopy (NSOM) to analyze the influence of defects on the optical properties of InGaN-GaN QWs. The application of NSOM allows high spatial resolution photoluminescence (PL) measurements t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0884490b88d0024b29a624cc454bbbc2
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031621618&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031621618&partnerID=MN8TOARS
Autor:
M. A. Renucci, Nicolas Grandjean, F. Demangeot, Jean Massies, Mhh Kuball, J. Frandon, J. Gleize
We report on Raman scattering experiments performed on GaN-AlGaN quantum well structures, using various ultraviolet excitations. Under near resonant conditions we observe an important enhancement of the multi-LO phonon scattering in the wells or in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6380dc90a6125367b6371237dacbb92c
https://infoscience.epfl.ch/record/152632
https://infoscience.epfl.ch/record/152632
Autor:
M. A. Renucci, Nicolas Grandjean, Mhh Kuball, David Peyrade, J. Gleize, Yong Chen, F. Demangeot, J. Frandon, L. Manin-Ferlazzo
We present an optical investigation of GaN pillars using both micro-Raman (mu-Raman) and microphotoluminescence (mu-PL) spectroscopy. GaN pillars of diameter ranging from 100 nm to 5 mum were fabricated by electron beam lithography and reactive ion e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b261e79ca6d7639705717db768c0f1f
https://infoscience.epfl.ch/record/152731
https://infoscience.epfl.ch/record/152731
Autor:
Ian Harrison, J.M. Hayes, Eric C. Larkins, Abigail Bell, Jean Massies, Mhh Kuball, D Korakakis, Nicolas Grandjean
Photoluminescence (PL) spectroscopy has been used to investigate the effect that annealing temperature and ambient has on annealed molecular beam epitaxy grown GaN. Significant differences induced by the different annealing conditions occur in the PL
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94142eacf2b977113e5d04611ad9ec84
https://infoscience.epfl.ch/record/152689
https://infoscience.epfl.ch/record/152689