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- Title
Spatio-spectral decomposition of complex eigenmodes in subwavelength nanostructures through transmission matrix analysis.
- Authors
Jin, Young-Ho; Oh, Juntaek; Choi, Wonshik; Kim, Myung-Ki
- Abstract
The complex-field distributions HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><msub><mtext>u</mtext><mi>j</mi></msub><mo>(</mo><msub><mi mathvariant="bold">r</mi><mtext>o</mtext></msub><mo>)</mo></math> ht of the three lowest-order eigenmodes decomposed at a wavelength of 650 nm are shown in Figure 3d. Keywords: mode analysis; nano optics; plasmonics; SVD; transmission matrix EN mode analysis nano optics plasmonics SVD transmission matrix 2149 2158 10 05/12/22 20220401 NES 220401 1 Introduction Optical nanocavities have provided effective channels for strong interaction between light and matter in small spaces owing to their excellent ability to confine light energy in nanometer-scale space. In particular, as the order of the mode increases, the free-spectral range between eigenfrequencies ( HT <math overflow="scroll" xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal"> </mi><mi>f</mi><mo>=</mo><mi>c</mi><mi mathvariant="normal"> </mi><mi> </mi><mo>/</mo><msup><mi> </mi><mn>2</mn></msup></math> ht ) further narrows.
- Subjects
NANOSTRUCTURES; BOW-tie antennas; NEAR-field microscopy; REFRACTION (Optics)
- Publication
Nanophotonics (21928606), 2022, Vol 11, Issue 9, p2149
- ISSN
2192-8606
- Publication type
Article
- DOI
10.1515/nanoph-2021-0653