[HTML][HTML] Evidence of synchronous, decadal to billion year cycles in geological, genetic, and astronomical events

SJ Puetz, A Prokoph, G Borchardt, EW Mason - Chaos, Solitons & Fractals, 2014 - Elsevier
Studies on continuously improving records of geological, biological, and astronomical
events and processes led to increased awareness of common cycles in the records. Here …

Control of bistability in a directly modulated semiconductor laser using delayed optoelectronic feedback

S Rajesh, VM Nandakumaran - Physica D: Nonlinear Phenomena, 2006 - Elsevier
We show numerically that direct delayed optoelectronic feedback can suppress hysteresis
and bistability in a directly modulated semiconductor laser. The simulation of a laser with …

Irregular pulsating polarization dynamics in gain-switched vertical-cavity surface-emitting lasers

A Valle, M Sciamanna… - IEEE Journal of Quantum …, 2008 - ieeexplore.ieee.org
In this paper, we report on experimental and theoretical investigation on the nonlinear
dynamics of the two orthogonal linearly polarized fundamental transverse modes of vertical …

Shaping current waveforms for direct modulation of semiconductor lasers

L Illing, MB Kennel - IEEE journal of quantum electronics, 2004 - ieeexplore.ieee.org
We demonstrate a technique for shaping current inputs for the direct modulation of a
semiconductor laser for digital communication. The introduction of shaped current inputs …

Nonlinear dynamics of the polarization of multitransverse mode vertical-cavity surface-emitting lasers under current modulation

A Valle, M Sciamanna, K Panajotov - … E—Statistical, Nonlinear, and Soft Matter …, 2007 - APS
In this paper we report on a theoretical investigation of the nonlinear dynamics of the
polarization of multitransverse mode vertical-cavity surface-emitting lasers (VCSELs) under …

Period-tripling and fractal features in multi-billion year geological records

A Prokoph, SJ Puetz - Mathematical geosciences, 2015 - Springer
Period-tripling is a common but rarely studied feature of natural processes. Its detection in
long-term geological events is often restricted by poor preservation, inadequate time …

Observations on the dynamics of semiconductor lasers subjected to external optical injection

S Eriksson, ÅM Lindberg - Journal of Optics B: Quantum and …, 2002 - iopscience.iop.org
We report on the experimental investigation of the dynamics of semiconductor lasers
subjected to external optical injection. We have mapped the nonlinear regions in the …

Nonlinear dynamics of current-modulated vertical-cavity surface-emitting lasers

A Valle, L Pesquera, SI Turovets, JM Lopez - Optics communications, 2002 - Elsevier
A numerical analysis of the nonlinear dynamics of weakly index-guided vertical-cavity
surface-emitting lasers (VCSELs) subject to high-frequency current modulation is performed …

Route to chaos in the weakly stratified Kolmogorov flow

F Gargano, G Ponetti, M Sammartino, V Sciacca - Physics of Fluids, 2019 - pubs.aip.org
We consider a two-dimensional fluid exposed to Kolmogorov's forcing cos (ny) and heated
from above. The stabilizing effects of temperature are taken into account using the …

Chaos synchronization of unidirectionally injected vertical-cavity surface-emitting lasers with global and mode-selective coupling

X Li, W Pan, D Ma, B Luo - Optics Express, 2006 - opg.optica.org
Chaos synchronization in two unidirectionally coupled vertical-cavity surface-emitting lasers
(VCSELs) with open-loop configuration is studied numerically. We consider two low-order …