Coherent Wave Propagation in Multimode Systems with Correlated Noise

Yaxin Li, Doron Cohen, and Tsampikos Kottos
Phys. Rev. Lett. 122, 153903 – Published 18 April 2019
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Abstract

Imperfections in multimode systems lead to mode mixing and interferences between propagating modes. Such disorder is typically characterized by a finite correlation time (in quantum evolution) or correlation length (in paraxial evolution). We show that the long-scale dynamics of an initial excitation that spread in mode space can be tailored by the coherent dynamics on a short scale. In particular we unveil a universal crossover from exponential to power-law ballisticlike decay of the initial mode. Our results have applications to various wave physics frameworks, ranging from multimode fiber optics to quantum dots and quantum biology.

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  • Received 11 December 2018

DOI:https://doi.org/10.1103/PhysRevLett.122.153903

© 2019 American Physical Society

Physics Subject Headings (PhySH)

General PhysicsStatistical Physics & ThermodynamicsNonlinear DynamicsAtomic, Molecular & Optical

Authors & Affiliations

Yaxin Li1, Doron Cohen2, and Tsampikos Kottos1

  • 1Wave Transport in Complex Systems Lab, Physics Department, Wesleyan University, Middletown Connecticut 06459, USA
  • 2Department of Physics, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel

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Issue

Vol. 122, Iss. 15 — 19 April 2019

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