Stabilization of dark states in emitter arrays coupled to a half-waveguide
Abstract
The radiative properties of quantum emitters are profoundly influenced by their electromagnetic environment. When coupled to a waveguide terminated at one end by a mirror, distant emitters interact strongly via virtual photon exchange, leading to collective superradiant and subradiant states with enhanced or suppressed decay rates. We demonstrate that applying optimal frequency shifts to each emitter enables the formation of perfect single-excitation dark states (i.e. states with zero decay rate) and near-perfect multi-excitation dark states in small ensembles. These collective states can be deterministically prepared with high fidelity using classical driving fields or few-photon pulses propagating along the waveguide. These results, readily implementable in superconducting qubit platforms, open new avenues for quantum information storage, networking and control of light.
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BibTeX
@misc{rubiesbigorda2026stabilization,
title = {{Stabilization of dark states in emitter arrays coupled to a half-waveguide}},
author = {Oriol Rubies-Bigorda and Susanne F. Yelin and Ana Asenjo-Garcia and Stuart J. Masson},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.03040},
eprint = {2609.03040},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.03040},
}
RIS
TY - UNPB
TI - Stabilization of dark states in emitter arrays coupled to a half-waveguide
AU - Oriol Rubies-Bigorda
AU - Susanne F. Yelin
AU - Ana Asenjo-Garcia
AU - Stuart J. Masson
PY - 2026
DA - 2026/09/02
PB - arXiv
DO - 10.48550/arxiv.2609.03040
UR - https://arxiv.org/abs/2609.03040
AB - The radiative properties of quantum emitters are profoundly influenced by their electromagnetic environment. When coupled to a waveguide terminated at one end by a mirror, distant emitters interact strongly via virtual photon exchange, leading to collective superradiant and subradiant states with enhanced or suppressed decay rates. We demonstrate that applying optimal frequency shifts to each emitter enables the formation of perfect single-excitation dark states (i.e. states with zero decay rate) and near-perfect multi-excitation dark states in small ensembles. These collective states can be deterministically prepared with high fidelity using classical driving fields or few-photon pulses propagating along the waveguide. These results, readily implementable in superconducting qubit platforms, open new avenues for quantum information storage, networking and control of light.
ER -