Engineering chiral light–matter interaction in photonic crystal waveguides with slow light

We design photonic crystal waveguides with efficient chiral light-matter interfaces that can be integrated with solid-state quantum emitters. By using glide-plane-symmetric waveguides, we show that chiral light-matter interaction can exist even in the presence of slow light with slowdown factors of...

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Bibliographic Details
Published inOptical materials express Vol. 7; no. 1; pp. 43 - 51
Main Authors Mahmoodian, Sahand, Prindal-Nielsen, Kasper, Söllner, Immo, Stobbe, Søren, Lodahl, Peter
Format Journal Article
LanguageEnglish
Published 01.01.2017
Subjects
Couples
Design engineering
Emitters
Nanostructure
Photonic crystals
Platforms
Waveguides
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Summary:We design photonic crystal waveguides with efficient chiral light-matter interfaces that can be integrated with solid-state quantum emitters. By using glide-plane-symmetric waveguides, we show that chiral light-matter interaction can exist even in the presence of slow light with slowdown factors of up to 100 and therefore the light-matter interaction exhibits both strong Purcell enhancement and chirality. This allows for near-unity directional [beta]-factors for a range of emitter positions and frequencies. Additionally, we design an efficient mode adapter to couple light from a standard nanobeam waveguide to the glide-plane symmetric photonic crystal waveguide. Our work sets the stage for performing future experiments on a solid-state platform.
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ISSN:2159-3930
2159-3930
DOI:10.1364/OME.7.000043