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pro vyhledávání: '"S.B. Healy"'
Akademický článek
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Akademický článek
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Publikováno v:
physica status solidi c. 9:838-841
In this work we apply the concept of polarization-matching to calculate the reduction of the built-in field in nitride-based nanostructures operating predominantly in the UV part of the spectrum. In order to realistically describe these systems, our
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::845f9a983d758714d56b163b437f5980
https://doi.org/10.1002/pssc.201100501
https://doi.org/10.1002/pssc.201100501
Autor:
V. Dimastrodonato, L. O. Mereni, S.B. Healy, Robert J. Young, Emanuele Pelucchi, Eoin P. O'Reilly
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 42:2761-2764
Recent work has shown that site-controlled dots (QD) grown on (1 1 1)B GaAs substrates, pre-patterned with tetrahedral pyramidal recesses (Baier et al., 2006) [1], (Pelucchi et al., 2007) [2], (Zhu et al., 2007) [3] are suitable for the generation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9658f114f24eff89fb4bde8b0f920926
https://doi.org/10.1016/j.physe.2009.11.099
https://doi.org/10.1016/j.physe.2009.11.099
Autor:
S.B. Healy, Eoin P. O'Reilly
Publikováno v:
IEEE Journal of Quantum Electronics. 46:742-753
We examine the electronic structure and optical properties of 1.5-μm InAs/InGaAsP/InP quantum dash-in-a-well (DWELL) and dash-in-a-barrier (DBAR) lasers. Using 1-D and 3-D k.p calculations, we show that the electron states are not confined to the da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d9ca590b0929df8bd9279a183dc50c
https://doi.org/10.1109/jqe.2009.2037338
https://doi.org/10.1109/jqe.2009.2037338
Autor:
Anders Larsson, A. Joel, Eoin P. O'Reilly, Johan S. Gustavsson, S.B. Healy, Åsa Haglund, Petter Westbergh
Publikováno v:
IEEE Journal of Quantum Electronics. 46:506-512
Higher speed short-wavelength (850 nm) VCSELs are required for future high-capacity, short-reach data communication links. The modulation bandwidth of such devices is intrinsically limited by the differential gain of the quantum wells (QWs) used in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::422bb5dbbc6bb65215c8de01887eb915
https://doi.org/10.1109/jqe.2009.2038176
https://doi.org/10.1109/jqe.2009.2038176
Autor:
Ganesh Balakrishnan, Eoin P. O'Reilly, Jun Tatebayashi, Guillaume Huyet, Kamil Gradkowski, S.B. Healy, Tomasz J. Ochalski, Diana L. Huffaker, David P. Williams
Publikováno v:
physica status solidi (b). 246:752-755
We present a detailed explanation of the blue-shift that is observed in Ga(As)Sb quantum dots (QD) with increasing pump power density by employing an 8-band k · p model with the Coulomb attractive potential added into the Hamiltonian. Two types of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae30f583de4bcfbb0cf054915047953f
https://doi.org/10.1002/pssb.200880630
https://doi.org/10.1002/pssb.200880630
Autor:
P. O'Reilly, S.B. Healy
Publikováno v:
IEEE Journal of Quantum Electronics. 42:608-615
There remains controversy surrounding the cause of the magnitude and temperature sensitivity of the threshold current density of 1.3-/spl mu/m GaInNAs quantum-well (QW) lasers, with several authors attributing the strong temperature sensitivity to ho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9a6ad13be59ac9ea2e7831d062518c9
https://doi.org/10.1109/jqe.2006.874066
https://doi.org/10.1109/jqe.2006.874066
Publikováno v:
ResearcherID
We use a modified band-anticrossing (BAC) model to investigate the band dispersion in a GaN x As 1 - x / AlGaAs quantum well (QW) as a function of hydrostatic pressure. The band edge mass increases considerably more quickly with pressure than in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a4ff2fc142166f2a3690779619e11db
https://doi.org/10.1016/j.physe.2005.12.048
https://doi.org/10.1016/j.physe.2005.12.048
Autor:
C. Marquardt, S.B. Healy
Publikováno v:
Journal of the Meteorological Society of Japan. Ser. II. 83:417-428
Tsuda and Hocke (2002) reduce the amount of filtering applied to raw radio occultation data in order to increase the vertical resolution of GPS based temperature retrievals in the stratosphere. The authors discuss gravitywave characteristics obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c9032894ba1581d8247571f3afa0c12
https://doi.org/10.2151/jmsj.83.417
https://doi.org/10.2151/jmsj.83.417