Diabolical point and conical-like diffraction in periodic plasmonic nanostructures
Open accessAbstract
We present the formation of a singular (diabolical) point in k-space from a periodic metal-dielectric waveguide array. The singularity originates from the balance between alternating normal and anomalous coupling. We numerically demonstrate a strong diffraction anomaly (conical-like diffraction) near the singular point. We also show the evolution of the diffraction pattern with band deformation. The resultant peculiar propagation dynamics of surface plasmon polaritons could provide a new toolset for manipulating light on the nano-scale.
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Because of the non-self-adjointness of H, spectral singularities could arise in the spectrum of H, corresponding to either a zero-width resonance in the transmission/reflection spectrum of the DFB (the threshold for self-oscillation) or to perfect absorption of radiation under a suitable two-port coherent excitation of the DFB structure.
“In addition, because of the non-self-adjointness of H , spectral singularities could arise in the spectrum of H , which correspond to either a zero-width resonance in the transmission/reflection spectrum of the DFB (the threshold for self-oscillation) [94,44] or to a perfect absorption of radiation under a suitable two-port coherent excitation of the DFB structure [44,102].”
From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [102]
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- Authors
- Nam, S. H., Taylor, A. J., & Efimov, A.
- Affiliations
- Los Alamos National Laboratory (US)
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2010-04-29
- Volume
- 18
- Issue
- 10
- Pages
- 10120
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2059885503
- Cited by
- 44
- References
- 17
- Citations by year
- 2025: 3 · 2022: 2 · 2021: 3 · 2020: 4 · 2019: 5 · 2018: 4 · 2017: 1 · 2016: 5 · 2015: 4 · 2014: 2 · 2013: 2 · 2012: 3
- FWCI
- 2.08
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Optics Express (publishedVersion)
- PubMed (publishedVersion)
- Funders
- U.S. Department of Energy
- National Nuclear Security Administration
- Basic Energy Sciences
- Los Alamos National Laboratory
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Nonlinear Photonic Systems
- Keywords
- diabolical points, conical diffraction, surface plasmon polaritons, nanophotonics
- MeSH terms
- Computer Simulation, Light, Models, Chemical, Refractometry, Scattering, Radiation, Surface Plasmon Resonance, Nanostructures
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