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Babinet-Inverted Optical Yagi-Uda Antenna for Unidirectional Radiation to Free Spaceopen access
- Authors
- Kim, Jineun; Roh, Young-Geun; Cheon, Sang mo; Choe, Jong-Ho; Lee, Jongcheon; Lee, Jaesoong; Jeong, Heejeong; Kim, Un Jeong; Park, Yeonsang; Song, In Yong
- Issue Date
- May-2014
- Publisher
- AMER CHEMICAL SOC
- Keywords
- directional radiation; Plasmonic antenna; slot-slot interaction; surface plasmon; Yagi-Uda
- Citation
- NANO LETTERS, v.14, no.6, pp.3072 - 3078
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANO LETTERS
- Volume
- 14
- Number
- 6
- Start Page
- 3072
- End Page
- 3078
- ISSN
- 1530-6984
- Abstract
- Nanophotonics capable of directing radiation or enhancing quantum-emitter transition rates rely on plasmonic nanoantennas. We present here a novel Babinet-inverted magnetic-dipole-fed multislot optical Yagi-Uda antenna that exhibits highly unidirectional radiation to free space, achieved by engineering the relative phase of the interacting surface plasmon polaritons between the slot elements. The unique features of this nanoantenna can be harnessed for realizing energy transfer from one waveguide to another by working as a future optical via.
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Related Researcher
- Cheon, Sang mo
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)