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Dielectric resonator nanoantennas at visible frequencies
Open accessAbstract
Drawing inspiration from radio-frequency technologies, we propose a realization of nano-scale optical dielectric resonator antennas (DRAs) functioning in their fundamental mode. These DRAs operate via displacement current in a low-loss high-permittivity dielectric, resulting in reduced energy dissipation in the resonators. The designed nonuniform planar DRA array on a metallic plane imparts a sequence of phase shifts across the wavefront to create beam deflection off the direction of specular reflection. The realized array clearly demonstrates beam deflection at 633 nm. Despite the loss introduced by field interaction with the metal substrate, the proposed low-loss resonator concept is a first step towards nanoantennas with enhanced efficiency. The compact planar structure and technologically relevant materials promise monolithic circuit integration of DRAs.
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Cites
Optical Constants of the Noble Metals
Johnson, P. B., & Christy, R. W. (1972) · Physical Review B · doi:10.1103/physrevb.6.4370 · Cited by 20,094
Cited by
Flat optics with designer metasurfaces
Yu, N., & Capasso, F. (2014) · Nature Materials · doi:10.1038/nmat3839 · Cited by 5,984
High‐Efficiency Dielectric Huygens’ Surfaces
Decker, M., Staude, I., Falkner, M., Dominguez, J., Neshev, D. N., Brener, I., Pertsch, T., & Kivshar, Y. S. (2015) · Advanced Optical Materials · doi:10.1002/adom.201400584 · Cited by 1,334
Staude, I., Miroshnichenko, A. E., Decker, M., Fofang, N. T., Liu, S., Gonzales, E., Dominguez, J., Luk, T. S., Neshev, D. N., Brener, I., et al. (2013) · ACS Nano · doi:10.1021/nn402736f · Cited by 1,121
Metadata
- Authors
- Zou, L., Withayachumnankul, W., Shah, C. M., Mitchell, A., Bhaskaran, M., Sriram, S., & Fumeaux, C.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2013-01-11
- Volume
- 21
- Issue
- 1
- Pages
- 1344
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2015673695
- Cited by
- 199
- References
- 1
- FWCI
- 13.99
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zou, L., Withayachumnankul, W., Shah, C. M., Mitchell, A., Bhaskaran, M., Sriram, S., & Fumeaux, C. (2013). Dielectric resonator nanoantennas at visible frequencies. Optics Express. https://doi.org/10.1364/oe.21.001344
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