One-dimensional photonic bound states in the continuum

P. S. Pankin, B. R. Wu, J. H. Yang, K. P. Chen, I. V. Timofeev, A. F. Sadreev*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

In 1985 Fridriech and Wintgen proposed a mechanism for bound states in the continuum based on full destructive interference of two resonances which can be easily applied to the two- and three-dimensional wave systems. Here we explicitly show that this mechanism can be realized in one-dimensional quantum potential well, owing to destructive interference of electron paths with different spin in tilted magnetic field. Due to one-by-one correspondence between the spin of the electron and the polarization state of light, we have found numerous bound states in the continuum in the one-dimensional photonic system and experimentally confirmed them. The experimental set-up consists of the one-dimensional photonic crystal conjugated with a liquid-crystalline anisotropic defect layer and covered by metal film.

Original languageEnglish
Article number91
JournalCommunications Physics
Volume3
Issue number1
DOIs
StatePublished - 1 Dec 2020

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