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Subradiant bound dimer excited states of emitter chains coupled to a one dimensional waveguide

MPG-Autoren
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Yu,  Chuan
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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1908.01818.pdf
(Preprint), 5MB

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Zitation

Zhang, Y.-X., Yu, C., & Molmer, K. (2020). Subradiant bound dimer excited states of emitter chains coupled to a one dimensional waveguide. Physical Review Research, 2(1): 013173. doi:10.1103/PhysRevResearch.2.013173.


Zitierlink: https://hdl.handle.net/21.11116/0000-0008-502E-B
Zusammenfassung
This article shows that chains of optical or microwave emitters coupled to a one-dimensional (1D) waveguide support subradiant states with close pairs of excited emitters, which have longer lifetimes than even the most subradiant states with only a single excitation. Exact, analytical expressions for nonradiative excitation dimer states are obtained in the limit of infinite chains. To understand the mechanism underlying these states, we present a formal equivalence between subradiant dimers and single localized excitations around a chain defect (unoccupied site). Our analytical mapping permits extension to emitter chains coupled to the 3D free space vacuum field.