Document Type

Article

Publication Date

6-4-2013

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.

Comments

© Physical Review Letters. Original version available at: http://doi.org/10.1103/PhysRevLett.110.234101

Publication Title

Physical Review Letters

DOI

10.1103/PhysRevLett.110.234101

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