Coherent coupling of single molecules to on-chip ring resonators

We report on cryogenic coupling of organic molecules to ring microresonators obtained by looping subwavelength waveguides (nanoguides). We discuss fabrication and characterization of the chip-based nanophotonic elements which yield a resonator finesse in the order of 20 when covered by molecular cry...

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Bibliographic Details
Published in:New journal of physics 2019-06, Vol.21 (6), p.62002
Main Authors: Rattenbacher, Dominik, Shkarin, Alexey, Renger, Jan, Utikal, Tobias, Götzinger, Stephan, Sandoghdar, Vahid
Format: Article
Language:English
Subjects:
coherent
Coupling (molecular)
microresonator
on-chip
Organic chemistry
organic molecule
Physics
Resonators
Waveguides
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Summary:We report on cryogenic coupling of organic molecules to ring microresonators obtained by looping subwavelength waveguides (nanoguides). We discuss fabrication and characterization of the chip-based nanophotonic elements which yield a resonator finesse in the order of 20 when covered by molecular crystals. Our observed extinction dips from single molecules reach 22%, consistent with an expected enhancement factor of up to 11 for the molecular emission into the nanoguide. Future efforts will aim at efficient coupling of a handful of molecules via their interaction with a ring microresonator mode, setting the ground for the realization of quantum optical cooperative effects.
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/ab28b2