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Title: Strong Localization of Surface Plasmon Polaritons with Engineered Disorder

Journal Article · · Nano Letters
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  1. Nanjing Univ. (China). National Lab. of Solid State Microstructures, School of Physics, and Collaborative Innovation Center of Advanced Microstructures
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)

Here in this work, we experimentally demonstrate for the first time strong localization of surface plasmon polaritons (SPPs) at visible regime in metallic nanogratings with short-range correlated disorder. By increasing the degree of disorder, the confinement of SPPs is significantly enhanced, and the effective SPP propagation length dramatically shrinks. Strong localization of SPPs eventually emerges at visible regime, which is verified by the exponentially decayed fields and the vanishing autocorrelation function of the SPPs. Physically, the short-range correlated disorder induces strong interference among multiple scattered SPPs and provides an adequate fluctuation to effective permittivity, which leads to the localization effect. Finally, our study demonstrates a unique opportunity for disorder engineering to manipulate light on nanoscale and may achieve various applications in random nanolasing, solar energy, and strong light-matter interactions.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1461460
Journal Information:
Nano Letters, Vol. 18, Issue 3; ISSN 1530-6984
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (6)

Light trapping structures and plasmons synergistically enhance the photovoltaic performance of full-spectrum solar cells journal January 2020
Anderson localization of light in dimension d 1 journal December 2019
Microscopic and Macroscopic Signatures of 3D Anderson Localization of Light journal August 2019
Light scattering by correlated disordered assemblies of nanoantennas journal July 2019
Manipulation of transmission by engineered disorder in one-dimensional photonic crystals journal January 2019
Multispectral plasmonic supercells journal June 2018

Figures / Tables (6)