Non-linear dynamics of semiconductor superlattices

LL Bonilla, HT Grahn - Reports on Progress in Physics, 2005 - iopscience.iop.org
In the last decade, non-linear dynamical transport in semiconductor superlattices (SLs) has
witnessed significant progress in theoretical descriptions as well as in experimentally …

[图书][B] Nonlinear spatio-temporal dynamics and chaos in semiconductors

E Schöll - 2001 - books.google.com
Nonlinear transport phenomena are an increasingly important aspect of modern
semiconductor research. This volume deals with complex nonlinear dynamics, pattern …

Synchronization and chaos induced by resonant tunneling in GaAs/AlAs superlattices

Y Zhang, J Kastrup, R Klann, KH Ploog, HT Grahn - Physical review letters, 1996 - APS
A semiconductor superlattice represents an ideal one-dimensional nonlinear dynamical
system with a large number of degrees of freedom. The effective nonlinear coupling …

Fast Physical Random-Number Generation Based on Room-Temperature<? format?> Chaotic Oscillations in Weakly Coupled Superlattices

W Li, I Reidler, Y Aviad, Y Huang, H Song, Y Zhang… - Physical review …, 2013 - APS
An all-electronic physical random number generator at rates up to 80 Gbit/s is presented,
based on weakly coupled GaAs/Ga 0.55 Al 0.45 As superlattices operated at room …

Electrically tunable GHz oscillations in doped GaAs-AlAs superlattices

J Kastrup, R Hey, KH Ploog, HT Grahn, LL Bonilla… - Physical Review B, 1997 - APS
Tunable oscillatory modes of electric-field domains in doped semiconductor superlattices
are reported. The experimental investigations demonstrate the realization of tunable, GHz …

Chaotic dynamics of electric-field domains in periodically driven superlattices

OM Bulashenko, MJ Garcia, LL Bonilla - Physical Review B, 1996 - APS
Self-sustained time-dependent current oscillations under dc voltage bias have been
observed in recent experiments on n-doped semiconductor superlattices with sequential …

Experimental observation of spontaneous chaotic current oscillations in GaAs/Al0.45Ga0.55As superlattices at room temperature

YY Huang, W Li, WQ Ma, H Qin, YH Zhang - Chinese Science Bulletin, 2012 - Springer
Spontaneous self-sustained chaotic current oscillations are observed experimentally in
lightly-doped weakly-coupled GaAs/Al 0.45 Ga 0.55 As superlattices at room temperature for …

Probing growth-related disorder by high-field transport in semiconductor superlattices

A Wacker, G Schwarz, F Prengel, E Schöll, J Kastrup… - Physical Review B, 1995 - APS
We investigate the influence of imperfections in the sample growth on the electrical transport
in doped superlattices. While structurally perfect samples should exhibit a regular set of …

Noise-enhanced spontaneous chaos in semiconductor superlattices at room temperature

M Alvaro, M Carretero, LL Bonilla - Europhysics Letters, 2014 - iopscience.iop.org
Physical systems exhibiting fast spontaneous chaotic oscillations are used to generate high-
quality true random sequences in random number generators. The concept of using fast …

Fast true random number generator based on chaotic oscillation in self-feedback weakly coupled superlattices

Y Liu, C Chen, DD Yang, Q Li, X Li - IEEE Access, 2020 - ieeexplore.ieee.org
Random numbers play a vital role in communications and cryptography. However, most
existing true random number generators have difficulty in satisfying the requirements of high …