Parity-time (PT) symmetric topological interface states

Steffen Weimann, Mikael C. Rechtsman, Yonatan Plotnik, Yaakov Lumer, Konstantinos G. Makris, Mordechai Segev, Alexander Szameit

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We demonstrate theoretically and experimentally topological interface states in a passive effective PT-symmetric dimerized waveguide array. The PT-symmetric system has unbroken PT symmetry: all eigenvalues in the spectrum are real, despite the system's non-Hermiticity.

Original languageEnglish (US)
Title of host publication2015 Conference on Lasers and Electro-Optics, CLEO 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781557529688
StatePublished - Aug 10 2015
EventConference on Lasers and Electro-Optics, CLEO 2015 - San Jose, United States
Duration: May 10 2015May 15 2015

Publication series

NameConference on Lasers and Electro-Optics Europe - Technical Digest


OtherConference on Lasers and Electro-Optics, CLEO 2015
Country/TerritoryUnited States
CitySan Jose

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials


Dive into the research topics of 'Parity-time (PT) symmetric topological interface states'. Together they form a unique fingerprint.

Cite this