Strongly Coupled Exciton-Surface Lattice Resonances Engineer Long-Range Energy Propagation

Ravindra Kumar Yadav; Matthew Otten; Weijia Wang; Cristian L. Cortes; David J. Gosztola; Gary P. Wiederrecht; Stephen K. Gray; Teri W. Odom; Jaydeep K. Basu

doi:10.1021/acs.nanolett.0c01236

Strongly Coupled Exciton-Surface Lattice Resonances Engineer Long-Range Energy Propagation

Ravindra Kumar Yadav, Matthew Otten, Weijia Wang, Cristian L. Cortes, David J. Gosztola, Gary P. Wiederrecht, Stephen K. Gray^*, Teri W. Odom^*, Jaydeep K. Basu^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

Achieving propagation lengths in hybrid plasmonic systems beyond typical values of tens of micrometers is important for quantum plasmonics applications. We report long-range optical energy propagation due to excitons in semiconductor quantum dots (SQDs) being strongly coupled to surface lattice resonance (SLRs) in silver nanoparticle arrays. Photoluminescence (PL) measurements provide evidence of an exciton-SLR (ESLR) mode extending at least 600 μm from the excitation region. We also observe additional energy propagation with range well beyond the ESLR mode and with dependency on the coupling strength, g, between SQDs and SLR. Cavity quantum electrodynamics calculations capture the nature of the PL spectra for consistent g values, while coupled dipole calculations show a SQD number-dependent electric field decay profile consistent with the experimental spatial PL profile. Our results suggest an exciting direction wherein SLRs mediate long-range interactions between SQDs, having possible applications in optoelectronics, sensing, and quantum information science.

Original language	English (US)
Pages (from-to)	5043-5049
Number of pages	7
Journal	Nano letters
Volume	20
Issue number	7
DOIs	https://doi.org/10.1021/acs.nanolett.0c01236
State	Published - Jul 8 2020

Funding

The authors acknowledge Indo-U.S. Science and Technology Forum (IUSSTF) for funding through a virtual center on quantum plasmonics of hybrid nanoassembly. Use of the Center for Nanoscale Materials, an Office of Science user facility, was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357. The authors acknowledge DST Nanomission, India for funding. Authors acknowledge the Chaitanya Indukuri for support in initial stages of the work. The authors also acknowledge Ran Li for useful discussions about properties of plasmon lattices.

Keywords

Energy propagation
Plasmon lattice
Semiconductor quantum dot
Strong coupling
Surface lattice resonances

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/acs.nanolett.0c01236

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title = "Strongly Coupled Exciton-Surface Lattice Resonances Engineer Long-Range Energy Propagation",

abstract = "Achieving propagation lengths in hybrid plasmonic systems beyond typical values of tens of micrometers is important for quantum plasmonics applications. We report long-range optical energy propagation due to excitons in semiconductor quantum dots (SQDs) being strongly coupled to surface lattice resonance (SLRs) in silver nanoparticle arrays. Photoluminescence (PL) measurements provide evidence of an exciton-SLR (ESLR) mode extending at least 600 μm from the excitation region. We also observe additional energy propagation with range well beyond the ESLR mode and with dependency on the coupling strength, g, between SQDs and SLR. Cavity quantum electrodynamics calculations capture the nature of the PL spectra for consistent g values, while coupled dipole calculations show a SQD number-dependent electric field decay profile consistent with the experimental spatial PL profile. Our results suggest an exciting direction wherein SLRs mediate long-range interactions between SQDs, having possible applications in optoelectronics, sensing, and quantum information science.",

keywords = "Energy propagation, Plasmon lattice, Semiconductor quantum dot, Strong coupling, Surface lattice resonances",

author = "Yadav, {Ravindra Kumar} and Matthew Otten and Weijia Wang and Cortes, {Cristian L.} and Gosztola, {David J.} and Wiederrecht, {Gary P.} and Gray, {Stephen K.} and Odom, {Teri W.} and Basu, {Jaydeep K.}",

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year = "2020",

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doi = "10.1021/acs.nanolett.0c01236",

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AU - Gosztola, David J.

AU - Wiederrecht, Gary P.

AU - Gray, Stephen K.

AU - Odom, Teri W.

AU - Basu, Jaydeep K.

PY - 2020/7/8

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N2 - Achieving propagation lengths in hybrid plasmonic systems beyond typical values of tens of micrometers is important for quantum plasmonics applications. We report long-range optical energy propagation due to excitons in semiconductor quantum dots (SQDs) being strongly coupled to surface lattice resonance (SLRs) in silver nanoparticle arrays. Photoluminescence (PL) measurements provide evidence of an exciton-SLR (ESLR) mode extending at least 600 μm from the excitation region. We also observe additional energy propagation with range well beyond the ESLR mode and with dependency on the coupling strength, g, between SQDs and SLR. Cavity quantum electrodynamics calculations capture the nature of the PL spectra for consistent g values, while coupled dipole calculations show a SQD number-dependent electric field decay profile consistent with the experimental spatial PL profile. Our results suggest an exciting direction wherein SLRs mediate long-range interactions between SQDs, having possible applications in optoelectronics, sensing, and quantum information science.

AB - Achieving propagation lengths in hybrid plasmonic systems beyond typical values of tens of micrometers is important for quantum plasmonics applications. We report long-range optical energy propagation due to excitons in semiconductor quantum dots (SQDs) being strongly coupled to surface lattice resonance (SLRs) in silver nanoparticle arrays. Photoluminescence (PL) measurements provide evidence of an exciton-SLR (ESLR) mode extending at least 600 μm from the excitation region. We also observe additional energy propagation with range well beyond the ESLR mode and with dependency on the coupling strength, g, between SQDs and SLR. Cavity quantum electrodynamics calculations capture the nature of the PL spectra for consistent g values, while coupled dipole calculations show a SQD number-dependent electric field decay profile consistent with the experimental spatial PL profile. Our results suggest an exciting direction wherein SLRs mediate long-range interactions between SQDs, having possible applications in optoelectronics, sensing, and quantum information science.

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KW - Surface lattice resonances

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Strongly Coupled Exciton-Surface Lattice Resonances Engineer Long-Range Energy Propagation

Abstract

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Keywords

ASJC Scopus subject areas

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