Title

Observation Of Asymmetric Transport In Structures With Active Nonlinearities

Abstract

A mechanism for asymmetric transport which is based on parity-time- symmetric nonlinearities is presented. We show that in contrast to the case of conservative nonlinearities, an increase of the complementary conductance strength leads to a simultaneous increase of asymmetry and transmittance intensity. We experimentally demonstrate the phenomenon using a pair of coupled Van der Pol oscillators as a reference system, each with complementary anharmonic gain and loss conductances, connected to transmission lines. An equivalent optical setup is also proposed. © 2013 American Physical Society.

Publication Date

6-4-2013

Publication Title

Physical Review Letters

Volume

110

Issue

23

Number of Pages

-

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1103/PhysRevLett.110.234101

Socpus ID

84878683115 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84878683115

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