Spatial and Temporal Coherence in Strongly Coupled Plasmonic Bose-Einstein Condensates

Antti J. Moilanen; Konstantinos S. Daskalakis; Jani M. Taskinen; Päivi Törmä

doi:10.1103/PhysRevLett.127.255301

Spatial and Temporal Coherence in Strongly Coupled Plasmonic Bose-Einstein Condensates

Antti J. Moilanen, Konstantinos S. Daskalakis, Jani M. Taskinen, Päivi Törmä^*

^*Corresponding author for this work

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Abstract

We report first-order spatial and temporal correlations in strongly coupled plasmonic Bose-Einstein condensates. The condensate is large, more than 20 times the spatial coherence length of the polaritons in the uncondensed system and 100 times the healing length, making plasmonic lattices an attractive platform for studying long-range spatial correlations in two dimensions. We find that both spatial and temporal coherence display nonexponential decay; the results suggest power-law or stretched exponential behavior with different exponents for spatial and temporal correlation decays.

Original language	English
Article number	255301
Pages (from-to)	1-7
Number of pages	7
Journal	Physical Review Letters
Volume	127
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.127.255301
Publication status	Published - 15 Dec 2021
MoE publication type	A1 Journal article-refereed

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title = "Spatial and Temporal Coherence in Strongly Coupled Plasmonic Bose-Einstein Condensates",

abstract = "We report first-order spatial and temporal correlations in strongly coupled plasmonic Bose-Einstein condensates. The condensate is large, more than 20 times the spatial coherence length of the polaritons in the uncondensed system and 100 times the healing length, making plasmonic lattices an attractive platform for studying long-range spatial correlations in two dimensions. We find that both spatial and temporal coherence display nonexponential decay; the results suggest power-law or stretched exponential behavior with different exponents for spatial and temporal correlation decays. ",

author = "Moilanen, {Antti J.} and Daskalakis, {Konstantinos S.} and Taskinen, {Jani M.} and P{\"a}ivi T{\"o}rm{\"a}",

note = "| openaire: EC/H2020/948260/EU//PLAS-OLED Funding Information: We thank Jonathan Keeling and Kristin B. Arnardottir for their comments on the early version of the Letter. A. J. M. and P. T. acknowledge support by the Academy of Finland under Projects No. 303351, No. 327293, No. 318937 (PROFI), and No. 320167 [Flagship Programme Photonics Research and Innovation (PREIN)]. A. J. M. acknowledges financial support by the Jenny and Antti Wihuri Foundation. K. D. acknowledges financial support from the European Research Council (ERC) under the European Union{\textquoteright}s Horizon 2020 Research and Innovation Programme [Grant Agreement No. (948260)]. Publisher Copyright: {\textcopyright} 2021 American Physical Society.",

year = "2021",

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doi = "10.1103/PhysRevLett.127.255301",

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AU - Moilanen, Antti J.

AU - Daskalakis, Konstantinos S.

AU - Taskinen, Jani M.

AU - Törmä, Päivi

N1 - | openaire: EC/H2020/948260/EU//PLAS-OLED Funding Information: We thank Jonathan Keeling and Kristin B. Arnardottir for their comments on the early version of the Letter. A. J. M. and P. T. acknowledge support by the Academy of Finland under Projects No. 303351, No. 327293, No. 318937 (PROFI), and No. 320167 [Flagship Programme Photonics Research and Innovation (PREIN)]. A. J. M. acknowledges financial support by the Jenny and Antti Wihuri Foundation. K. D. acknowledges financial support from the European Research Council (ERC) under the European Union’s Horizon 2020 Research and Innovation Programme [Grant Agreement No. (948260)]. Publisher Copyright: © 2021 American Physical Society.

PY - 2021/12/15

Y1 - 2021/12/15

N2 - We report first-order spatial and temporal correlations in strongly coupled plasmonic Bose-Einstein condensates. The condensate is large, more than 20 times the spatial coherence length of the polaritons in the uncondensed system and 100 times the healing length, making plasmonic lattices an attractive platform for studying long-range spatial correlations in two dimensions. We find that both spatial and temporal coherence display nonexponential decay; the results suggest power-law or stretched exponential behavior with different exponents for spatial and temporal correlation decays.

AB - We report first-order spatial and temporal correlations in strongly coupled plasmonic Bose-Einstein condensates. The condensate is large, more than 20 times the spatial coherence length of the polaritons in the uncondensed system and 100 times the healing length, making plasmonic lattices an attractive platform for studying long-range spatial correlations in two dimensions. We find that both spatial and temporal coherence display nonexponential decay; the results suggest power-law or stretched exponential behavior with different exponents for spatial and temporal correlation decays.

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Spatial and Temporal Coherence in Strongly Coupled Plasmonic Bose-Einstein Condensates

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PREIN: Photonics Research and Innovation

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