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

1 Scopus citations


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 publicationCLEO
Subtitle of host publicationQELS - Fundamental Science, CLEO_QELS 2015
PublisherOptical Society of America (OSA)
ISBN (Electronic)9781557529688
StatePublished - May 4 2015
EventCLEO: QELS - Fundamental Science, CLEO_QELS 2015 - San Jose, United States
Duration: May 10 2015May 15 2015

Publication series

NameCLEO: QELS - Fundamental Science, CLEO_QELS 2015


OtherCLEO: QELS - Fundamental Science, CLEO_QELS 2015
CountryUnited States
CitySan Jose


All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Weimann, S., Rechtsman, M. C., Plotnik, Y., Lumer, Y., Makris, K. G., Segev, M., & Szameit, A. (2015). Parity-time (PT) symmetric topological interface states. In CLEO: QELS - Fundamental Science, CLEO_QELS 2015 (pp. 1551p). (CLEO: QELS - Fundamental Science, CLEO_QELS 2015). Optical Society of America (OSA).