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9 papers · 1 filter
Timing characterization of 100 GHz passively mode-locked discrete mode laser diodes
David Bitauld, Simon Osborne, Stephen O'Brien
We report on the characterization of the timing stability of passively mode-locked discrete mode diode laser sources. These are edge-emitting devices with a spatially varying refra…
Tight-binding analysis of the electronic structure of dilute bismide alloys of GaP and GaAs
Muhammad Usman, Christopher A. Broderick, Andrew Lindsay +1
We develop an atomistic, nearest-neighbor sp3s* tight-binding Hamiltonian to investigate the electronic structure of dilute bismide alloys of GaP and GaAs. Using this model we calc…
Energy-band engineering for improved charge retention in fully self-aligned double floating-gate single-electron memories
Xiaohui Tang, Christophe Krzeminski, Aurélien Lecavelier des Etangs-Levallois +9
We present a new fully self-aligned single-electron memory with a single pair of nano floating gates, made of different materials (Si and Ge). The energy barrier that prevents stor…
An analytical limitation for time-delayed feedback control in autonomous systems
Edward W. Hooton, Andreas Amann
We prove an analytical limitation on the use of time-delayed feedback control for the stabilization of periodic orbits in autonomous systems. This limitation depends on the number…
Wettability and "petal effect" of GaAs native oxides
A. Gocalinska, K. Gradkowski, V. Dimastrodonato +4
We discuss unreported transitions of oxidized GaAs surfaces between (super)hydrophilic and hydrophobic states when stored in ambient conditions. Contact angles higher than 90deg an…
Decomposition, diffusion, and growth rate anisotropies in self-limited profiles during metalorganic vapor-phase epitaxy of seeded nanostructures
E. Pelucchi, V. Dimastrodonato, A. Rudra +5
We present a model for the interplay between the fundamental phenomena responsible for the formation of nanostructures by metalorganic vapour phase epitaxy on patterned (001)/(111)…