Zobrazeno 1 - 10
of 551
pro vyhledávání: '"P.M. Petroff"'
Autor:
P.M. Petroff, G. Medeiros-Ribeiro
Publikováno v:
MRS Bulletin. 21:50-54
Recent technological and materials advances in semiconductors have brought about the possibility of producing heterostructures within which carriers are confined to an ultrasmall region of space (a few thousand atoms) by a potential barrier. When the
Autor:
L.A. Coldren, J. A. Skidmore, D. L. Green, Z. Xu, G.D. Spiers, J.H. English, Evelyn L. Hu, D. B. Young, P.M. Petroff
Publikováno v:
LEOS 1991 Summer Topical Meetings on Epitaxial Materials and In-Situ Processing for Optoelectronic Devices. Photonics and Optoelectronics.
Publikováno v:
1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Applications/Gallium Nitride Materials, Processing, and Devices (C.
VCSELs are increasingly being adopted for use in data communications products, with numerous other applications being explored. Their low threshold current, circular beam, and excellent temperature stability are advantageous for many applications. Wh
Publikováno v:
Proceedings of International Reliability Physics Symposium RELPHY-96.
We present the results of our failure analysis of proton-implanted vertical cavity surface emitting lasers (VCSELs). We show that VCSELs have a unique failure mode with the degradation occurring not only in the active regions, but also strikingly in
Publikováno v:
Quantum Optoelectronics.
We will discuss the photoluminescence, modulated photoluminescence and transport properties in InAs and InAlAs self assembled quantum dots. We will also show evidence of three dimensional carrier confinement above 77K.
Autor:
P.M. Petroff
Publikováno v:
Le Journal de Physique Colloques. 40:C6-201
This paper reviews the low temperature dislocation climb process in III-V compounds semiconductors and points out areas in which more experimental information is needed to understand this complex problem. A dislocation climb model requiring the super
Autor:
E.G. McRae, P.M. Petroff
Publikováno v:
Surface Science. 147:385-395
Publikováno v:
Ultramicroscopy. 17:185-191
A scanning transmission electron microscope has been specifically designed for studies of reconstructed surfaces and epitaxial growth processes. Incorporation of a molecular beam epitaxy system, Auger spectrometer and ion gun along with ultra-high va
Autor:
P.M. Petroff
Publikováno v:
Ultramicroscopy. 31:67-72
We present and discuss the structural analysis of two-dimensional ultrastructures composed of tilted superlattices and quantum wire superlattices. We show that transmission electron microscopy (TEM) allows us to draw conclusions about the kinetics of
Autor:
P.M. Petroff
Publikováno v:
Quantum Wells for Optics and Optoelectronics.
Two dimensional band gap modulation in GaAs-AlGaAs structures grown by MBE is demonstrated using several approaches. In the first method a tilted superlattice (TSL) having interface planes tilted with respect to the substrate surface is directly grow