Babinet-inverted optical Yagi-Uda antenna for unidirectional radiation to free space

Jineun Kim; Young Geun Roh; Sangmo Cheon; Jong Ho Choe; Jongcheon Lee; Jaesoong Lee; Heejeong Jeong; Un Jeong Kim; Yeonsang Park; In Yong Song; Q. Han Park; Sung Woo Hwang; Kinam Kim; Chang Won Lee

doi:10.1021/nl500062f

Babinet-inverted optical Yagi-Uda antenna for unidirectional radiation to free space

Jineun Kim, Young Geun Roh, Sangmo Cheon, Jong Ho Choe, Jongcheon Lee, Jaesoong Lee, Heejeong Jeong, Un Jeong Kim, Yeonsang Park, In Yong Song, Q. Han Park, Sung Woo Hwang, Kinam Kim, Chang Won Lee

Department of Physics

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

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".

Original language	English
Pages (from-to)	3072-3078
Number of pages	7
Journal	Nano Letters
Volume	14
Issue number	6
DOIs	https://doi.org/10.1021/nl500062f
Publication status	Published - 2014 Jun 11

Keywords

Plasmonic antenna
Yagi-Uda
directional radiation
slot-slot interaction
surface plasmon

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

Access to Document

10.1021/nl500062f

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Babinet-inverted optical Yagi-Uda antenna for unidirectional radiation to free space. / Kim, Jineun; Roh, Young Geun; Cheon, Sangmo; Choe, Jong Ho; Lee, Jongcheon; Lee, Jaesoong; Jeong, Heejeong; Kim, Un Jeong; Park, Yeonsang; Song, In Yong; Park, Q. Han; Hwang, Sung Woo; Kim, Kinam; Lee, Chang Won.

In: Nano Letters, Vol. 14, No. 6, 11.06.2014, p. 3072-3078.

Research output: Contribution to journal › Article › peer-review

Kim, Jineun ; Roh, Young Geun ; Cheon, Sangmo ; Choe, Jong Ho ; Lee, Jongcheon ; Lee, Jaesoong ; Jeong, Heejeong ; Kim, Un Jeong ; Park, Yeonsang ; Song, In Yong ; Park, Q. Han ; Hwang, Sung Woo ; Kim, Kinam ; Lee, Chang Won. / Babinet-inverted optical Yagi-Uda antenna for unidirectional radiation to free space. In: Nano Letters. 2014 ; Vol. 14, No. 6. pp. 3072-3078.

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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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AU - Lee, Jaesoong

AU - Jeong, Heejeong

AU - Kim, Un Jeong

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