Controlling Optical Quantum Interference with Plasmonic Metasurfaces
Abstract
The ability to efficiently control optical quantum interference by the same device is a challenging task that promises to enable key operations in quantum information processing. Here, we tackle this problem by presenting a composite quantum plasmonic metasurface operating as an ultrathin non-unitary beamsplitter capable of achieving both single photon bosonic bunching and fermionic anti-bunching interference just by varying the incident photons frequency or changing the design dimensions. The presented metasurface combines a plasmonic grating corrugated by periodic nanoslits that can achieve extraordinary optical transmission with additional nanostripes on top forming nanocavities characterized by localized gap plasmon resonances. The photon-photon interactions are analyzed based on calculating the quantum coalescence metric which accurately portrays the obtained bunching or anti-bunching quantum interference. The presented quantum interference operation is applicable to both fundamental non-classical light interactions and in the design of more applied quantum optical logic gates used in quantum computing and communications.
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BibTeX
@misc{qin2026controlling,
title = {{Controlling Optical Quantum Interference with Plasmonic Metasurfaces}},
author = {Lawrence M. Qin and Sky Semone and Matthew J. Brandsema and Christos Argyropoulos},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.27226},
eprint = {2610.27226},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.27226},
}
RIS
TY - UNPB
TI - Controlling Optical Quantum Interference with Plasmonic Metasurfaces
AU - Lawrence M. Qin
AU - Sky Semone
AU - Matthew J. Brandsema
AU - Christos Argyropoulos
PY - 2026
DA - 2026/10/19
PB - arXiv
DO - 10.48550/arxiv.2610.27226
UR - https://arxiv.org/abs/2610.27226
AB - The ability to efficiently control optical quantum interference by the same device is a challenging task that promises to enable key operations in quantum information processing. Here, we tackle this problem by presenting a composite quantum plasmonic metasurface operating as an ultrathin non-unitary beamsplitter capable of achieving both single photon bosonic bunching and fermionic anti-bunching interference just by varying the incident photons frequency or changing the design dimensions. The presented metasurface combines a plasmonic grating corrugated by periodic nanoslits that can achieve extraordinary optical transmission with additional nanostripes on top forming nanocavities characterized by localized gap plasmon resonances. The photon-photon interactions are analyzed based on calculating the quantum coalescence metric which accurately portrays the obtained bunching or anti-bunching quantum interference. The presented quantum interference operation is applicable to both fundamental non-classical light interactions and in the design of more applied quantum optical logic gates used in quantum computing and communications.
ER -