Photon-Mediated Localization in Two-Level Qubit Arrays
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Zhong, Janet
Olekhno, Nikita A.
Ke, Yongguan
Poshakinskiy, A. V.
Lee, Chaohong
Kivshar, Yuri
Poddubny, Alexander
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American Physical Society
Abstract
We predict the existence of a novel interaction-induced spatial localization in a periodic array of qubits coupled to a waveguide. This localization can be described as a quantum analogue of a self-induced optical lattice between two indistinguishable photons, where one photon creates a standing wave that traps the
other photon. The localization is caused by the interplay between on-site repulsion due to the photon blockade and the waveguide-mediated long-range coupling between the qubits.
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Physical Review Letters
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