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Controlling transmission eigenchannels in random media by edge reflection

2015/06/11 by Liyi Zhao, Chushun Tian, Yu. P. Bliokh +3
Computer Science · Engineering · Mathematics · Physics and Astronomy · #Anderson localization #Asymmetry #Condensed matter physics #Distribution (mathematics) #Eigenvalues and eigenvectors #Mathematical analysis #Mathematics #Neural Networks and Reservoir Computing #Physics #Quantum mechanics #Random lasers and scattering media #Reflection (computer programming) #Singularity #Telecommunications #Terahertz technology and applications #Transmission (telecommunications) #physics.optics

paper · pdf · doi:10.1103/physrevb.92.094203

published as Phys. Rev. B 92, 094203 (2015) · 17 pages, 12 figures

arxiv created 2015/06/11 · openalex publication_date 2015/09/21 · arxiv updated 2015/09/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

When a wave is incident on an open random medium it is decomposed into a number of ``partial waves'' that propagate independently along natural channels, the so-called transmission eigenchannels, and are superposed again when they leave the medium. Here, the authors propose the use of asymmetric edge reflection (the asymmetry in the reflections of the sample edges) to control the perfectly transmitting eigenchannel in a quasi-one-dimensional diffusive medium.

Citations