Projects per year
Abstract
The ability of plasmonic nanosurfaces to produce strong electromagnetic fields in their vicinity upon illumination can be used to enhance effects, such as those originating from chirality (lack of mirror symmetry) of molecules. We numerically investigate chiral nanosurfaces composed of plasmonic nanobars with varying packing densities. We identify the optimum illumination conditions for maximal field enhancement. Under these illumination conditions, the optical chirality near the surface exceeds the optical chirality of the incident light by almost an order of magnitude in a large area (200 nm × 200 nm) near the surface. Our simulations prove the nanosurfaces to be promising candidates for enhancement of chiral-optical effects.
Original language | English |
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Title of host publication | Nonlinear Optics and Applications XII |
Editors | Mario Bertolotti, Anatoly V. Zayats, Alexei M. Zheltikov |
Publisher | SPIE |
ISBN (Electronic) | 9781510643741 |
DOIs | |
Publication status | Published - 18 Apr 2021 |
Publication series
Name | Proceedings of SPIE - The International Society for Optical Engineering |
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Volume | 11770 |
ISSN (Print) | 0277-786X |
ISSN (Electronic) | 1996-756X |
Bibliographical note
Funding Information:V.K.V. acknowledges support from the Royal Society through the University Research Fellowships and the Royal Society grants PEF1\170015 and RGF\EA\180228, as well as the STFC grant ST/R005842/1. L.O. and V.K.V. acknowledge funding and support from the Engineering and Physical Sciences Research Council (EPSRC) Centre for Doctoral Training in Condensed Matter Physics (CDT-CMP), Grant No. EP/L015544/1 and EP/T001046/1.
Publisher Copyright:
© 2021 SPIE.
Keywords
- Chirality
- Field enhancement
- Nanosurface
- Optical chirality
- Plasmonics
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
Fingerprint
Dive into the research topics of 'Chiral nanosurfaces for enhancement of local electromagnetic field'. Together they form a unique fingerprint.Projects
- 5 Finished
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TRANSMUTING GOLD INTO AURIDES FOR ALKali Metal Magnetometry: ALKEMMY
Valev, V. (PI) & Rusimova, K. (CoI)
Engineering and Physical Sciences Research Council
1/12/20 → 31/08/22
Project: Research council
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International Collaboration Awards of the RS - Clean Air
Valev, V. (PI) & Wadsworth, W. (CoI)
1/12/20 → 30/11/23
Project: Research council
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Fellowship - Extended nonlinear meta-chiroptical effects
Valev, V. (PI)
1/10/19 → 30/09/24
Project: Research council
Datasets
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Dataset for "Chiral nanosurfaces for enhancement of local electromagnetic field"
Ohnoutek, L. (Creator) & Valev, V. (Creator), University of Bath, 18 Apr 2021
DOI: 10.15125/BATH-00992
Dataset