On-chip non-magnetic optical isolator

Practical on-chip optical isolators providing non-reciprocal propagation are still a challenge. Now, two independent groups show that a phonon-mediated break of the chiral symmetry in waveguide resonators may offer a solution.

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Bibliographic Details
Published inNature photonics Vol. 15; no. 11; pp. 794 - 795
Main Author Mailis, Sakellaris
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 01.11.2021
Nature Publishing Group
Subjects
639/624/1075/1079
639/624/1075/401
Acoustics
Aperture
Applied and Technical Physics
Asymmetry
Bandwidths
Design
Efficiency
Isolators
News & Views
news-and-views
Optics
Photonics
Physics
Physics and Astronomy
Propagation
Quantum Physics
Racetracks
Semiconductors
Symmetry
Waveguides
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Summary:Practical on-chip optical isolators providing non-reciprocal propagation are still a challenge. Now, two independent groups show that a phonon-mediated break of the chiral symmetry in waveguide resonators may offer a solution.
ISSN:1749-4885
1749-4893
DOI:10.1038/s41566-021-00895-8