Dynamic versus Anderson wave-packet localization
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Inclou dades d'ús des de 2022
Cita com:
hdl:2117/76510
Tipus de documentArticle
Data publicació2015-06-18
EditorAPS Physics
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
We address the interplay between two fundamentally different wavepacket localization
mechanisms, namely resonant dynamic localization due to collapse of quasi-energy bands
in periodic media and disorder-induced Anderson localization. Specifically, we consider
light propagation in periodically curved waveguide arrays on-resonance and off-resonance,
and show that inclusion of disorder leads to a gradual transition from dynamic localization
to Anderson localization, which eventually is found to strongly dominate. While in the absence
of disorder, the degree of localization depends critically on the bending amplitude of
the waveguide array, when the Anderson regime takes over the impact of resonant effects
becomes negligible.
ISSN1050-2947
Col·leccions
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1505.06971.pdf | 2,060Mb | Visualitza/Obre |