New potential applications of
nonlinear dielectrics:
microwave solitons and stochastic resonance
Integrated Ferroelectrocs
22 259-268 (1998)
A. T. Findikoglu, Q. X. Jia, D. W. Reagor, Y. Fan, G. D. Lythe,
R. A. Camassa, D. Cai, N. Gronbech-Jensen, A. R. Bishop
Los Alamos National Laboratory
NM87545, USA.
Abstract
Nonlinear dielectrics, such as SrTiO3 (STO), present
unique opportunity not only to develop practical electrically tunable
devices, but also to explore novel scientific and technological
concepts that exploit strong nonlinearities in these materials. Using
prototype device structures, we are currently investigating two
interesting phenomena in the realm of nonlinearity: microwave solitons
and stochastic resonance. Microwave solitons are similar to optical
solitons and are formed when a specific dispersion is introduced into
the medium to counteract and balance the effect of nonlinearity for
certain waveforms. Stochastic resonance is a phenomenon in which
random noise plays a constructive role and enhances a nonlinear
system's response to a deterministic signal.
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