Perfect Transmission through Disordered Media

The transmission of a wave through a randomly chosen "pile of plates" typically decreases exponentially with the number of plates, a phenomenon closely related to Anderson localization. In apparent contradiction, we construct disordered planar permittivity profiles which are complex valued...

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Bibliographic Details
Published in:	Physical review letters Vol. 118; no. 16; p. 163201
Main Authors:	King, C G, Horsley, S A R, Philbin, T G
Format:	Journal Article
Language:	English
Published:	United States 21-04-2017
Subjects:	Angle of incidence Angle of reflection Dielectric constant Incidence Permittivity Plates Transmission Unity
Online Access:	Get full text
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Summary:	The transmission of a wave through a randomly chosen "pile of plates" typically decreases exponentially with the number of plates, a phenomenon closely related to Anderson localization. In apparent contradiction, we construct disordered planar permittivity profiles which are complex valued (i.e., have reactive and dissipative properties) that appear to vary randomly with position, yet are one-way reflectionless for all angles of incidence and exhibit a transmission coefficient of unity. In addition to these complex-valued "random" planar permittivity profiles, we construct a family of real-valued, two-way reflectionless and perfectly transmitting disordered permittivity profiles that function only for a single angle of incidence and a narrow frequency range.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.118.163201