Compact dipole nanoantenna coupler to plasmonic slot waveguide.

Andrei Andryieuski; Radu Malureanu; Giulio Biagi; Tobias Holmgaard; Andrei Lavrinenko

doi:10.1364/OL.37.001124

Compact dipole nanoantenna coupler to plasmonic slot waveguide.

Andrei Andryieuski, Radu Malureanu, Giulio Biagi, Tobias Holmgaard, Andrei Lavrinenko

Aalborg University

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Abstract

Optical nanoantennas can be used for coupling radiation to or from waveguides in analogy to micro- and radio-wave systems. In this letter we provide a systematic description of the design approaches for a coupler to a plasmonic slot waveguide in the telecom range around 1.55 µm with realistic excitation from a lensed optical fiber. We show that the best coupling efficiency of 26% can be achieved by utilizing a dipole antenna with side and bottom reflectors, and such coupling efficiency is 185 times larger than for the bare waveguide. The nanoantenna coupler provides a compact interface between an optical fiber and a plasmonic slot waveguide for future optical integrated circuits.

Original language	English
Journal	Optics Letters
Volume	37
Issue number	6
Pages (from-to)	1124-1126
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.37.001124
Publication status	Published - 2012

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-6-1124. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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title = "Compact dipole nanoantenna coupler to plasmonic slot waveguide.",

abstract = "Optical nanoantennas can be used for coupling radiation to or from waveguides in analogy to micro- and radio-wave systems. In this letter we provide a systematic description of the design approaches for a coupler to a plasmonic slot waveguide in the telecom range around 1.55 µm with realistic excitation from a lensed optical fiber. We show that the best coupling efficiency of 26% can be achieved by utilizing a dipole antenna with side and bottom reflectors, and such coupling efficiency is 185 times larger than for the bare waveguide. The nanoantenna coupler provides a compact interface between an optical fiber and a plasmonic slot waveguide for future optical integrated circuits.",

author = "Andrei Andryieuski and Radu Malureanu and Giulio Biagi and Tobias Holmgaard and Andrei Lavrinenko",

note = "This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-6-1124. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.",

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doi = "10.1364/OL.37.001124",

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AU - Andryieuski, Andrei

AU - Malureanu, Radu

AU - Biagi, Giulio

AU - Holmgaard, Tobias

AU - Lavrinenko, Andrei

N1 - This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-6-1124. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

PY - 2012

Y1 - 2012

N2 - Optical nanoantennas can be used for coupling radiation to or from waveguides in analogy to micro- and radio-wave systems. In this letter we provide a systematic description of the design approaches for a coupler to a plasmonic slot waveguide in the telecom range around 1.55 µm with realistic excitation from a lensed optical fiber. We show that the best coupling efficiency of 26% can be achieved by utilizing a dipole antenna with side and bottom reflectors, and such coupling efficiency is 185 times larger than for the bare waveguide. The nanoantenna coupler provides a compact interface between an optical fiber and a plasmonic slot waveguide for future optical integrated circuits.

AB - Optical nanoantennas can be used for coupling radiation to or from waveguides in analogy to micro- and radio-wave systems. In this letter we provide a systematic description of the design approaches for a coupler to a plasmonic slot waveguide in the telecom range around 1.55 µm with realistic excitation from a lensed optical fiber. We show that the best coupling efficiency of 26% can be achieved by utilizing a dipole antenna with side and bottom reflectors, and such coupling efficiency is 185 times larger than for the bare waveguide. The nanoantenna coupler provides a compact interface between an optical fiber and a plasmonic slot waveguide for future optical integrated circuits.

U2 - 10.1364/OL.37.001124

DO - 10.1364/OL.37.001124

M3 - Journal article

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SP - 1124

EP - 1126

JO - Optics Letters

JF - Optics Letters

IS - 6

ER -

Compact dipole nanoantenna coupler to plasmonic slot waveguide.

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