Subwavelength diffraction control and self-imaging in curved plasmonic waveguide arrays
Abstract
We study subwavelength light propagation in arrays of coupled metal-dielectric waveguides with a periodically curved axis and show analytically and numerically that subwavelength diffraction management, including self-imaging effects, can be achieved by a suitable engineering of the bending geometry.
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A below-barrier electron can pass a large repulsive and sharp potential step without the exponential damping expected for a non-relativistic particle.
“A remarkable prediction of the Dirac equation is that a below-barrier electron can pass a large repulsive and sharp potential step without the exponential damping expected for a non-relativistic particle.”
From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [26]
Klein tunneling arises from the existence of negative-energy solutions of the Dirac equation and requires a potential step height ΔV of the order of twice the rest energy mc2 of the electron.
“Such a transparency effect, originally predicted by Klein [26] and referred to as Klein tunneling (KT), arises from the existence of negative-energy solutions of the Dirac equation and requires a potential step height ∆V of the order of twice the rest energy mc 2 of the electron [49].”
From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [26]
Cites
Observation of Dynamic Localization in Periodically Curved Waveguide Arrays
Longhi, S., Marangoni, M., Lobino, M., Ramponi, R., Laporta, P., Cianci, E., & Foglietti, V. (2006) · Physical Review Letters · doi:10.1103/physrevlett.96.243901 · Cited by 357 · see citing works
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Classical simulation of relativistic quantum mechanics in periodic optical structures
Longhi, S. (2011) · Applied Physics B · doi:10.1007/s00340-011-4628-7 · Cited by 72 · see citing works
Self-citation
- Authors
- Della Valle, G., & Longhi, S.
- Affiliations
- Istituto di Fotonica e Nanotecnologie (IT)
- Corresponding author
- Longhi, S.
- ORCID
- Longhi, S.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2010-02-24
- Volume
- 35
- Issue
- 5
- Pages
- 673
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2129843869
- Cited by
- 25
- References
- 1
- Citations by year
- 2024: 1 · 2023: 1 · 2021: 3 · 2018: 2 · 2015: 6 · 2014: 4 · 2013: 1 · 2012: 1
- FWCI
- 1.51
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Optics Letters (publishedVersion)
- PubMed (publishedVersion)
- Virtual Community of Pathological Anatomy (University of Castilla La Mancha) (submittedVersion)
- Funders
- Italian Ministero dell'Università e della Ricerca (MIUR) (PRIN 2008 project)
- 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
- self-imaging, coupled waveguides, plasmonics
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