Quantum-cascade laser integrated with a metal-dielectric-metal-based plasmonic antenna

Dibyendu Dey; John Kohoutek; Ryan M. Gelfand; Alireza Bonakdar; Hooman Mohseni

doi:10.1364/OL.35.002783

Quantum-cascade laser integrated with a metal-dielectric-metal-based plasmonic antenna

Dibyendu Dey^*, John Kohoutek, Ryan M. Gelfand, Alireza Bonakdar, Hooman Mohseni

^*Corresponding author for this work

Electrical and Computer Engineering

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

30 Scopus citations

Abstract

Optical nanoantennas are capable of enhancing the near-field intensity and confining optical energy within a small spot size. We report a novel metal-dielectric-metal coupled-nanorods antenna integrated on the facet of a quantumcascade laser. Finite-difference time-domain simulations showed that, for dielectric thicknesses in the range from 10 to 30 nm, peak optical intensity at the top of the antenna gap is 4000 times greater than the incident field intensity. This is 4 times higher enhancement compared to a coupled metal antenna. The antenna is fabricated using focused ion-beam milling and measured using modified scanning probe microscopy. Such a device has potential applications in building mid-IR biosensors.

Original language	English (US)
Pages (from-to)	2783-2785
Number of pages	3
Journal	Optics Letters
Volume	35
Issue number	16
DOIs	https://doi.org/10.1364/OL.35.002783
State	Published - Aug 15 2010

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Quantum-cascade laser integrated with a metal-dielectric-metal-based plasmonic antenna",

abstract = "Optical nanoantennas are capable of enhancing the near-field intensity and confining optical energy within a small spot size. We report a novel metal-dielectric-metal coupled-nanorods antenna integrated on the facet of a quantumcascade laser. Finite-difference time-domain simulations showed that, for dielectric thicknesses in the range from 10 to 30 nm, peak optical intensity at the top of the antenna gap is 4000 times greater than the incident field intensity. This is 4 times higher enhancement compared to a coupled metal antenna. The antenna is fabricated using focused ion-beam milling and measured using modified scanning probe microscopy. Such a device has potential applications in building mid-IR biosensors.",

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AU - Dey, Dibyendu

AU - Kohoutek, John

AU - Gelfand, Ryan M.

AU - Bonakdar, Alireza

AU - Mohseni, Hooman

PY - 2010/8/15

Y1 - 2010/8/15

N2 - Optical nanoantennas are capable of enhancing the near-field intensity and confining optical energy within a small spot size. We report a novel metal-dielectric-metal coupled-nanorods antenna integrated on the facet of a quantumcascade laser. Finite-difference time-domain simulations showed that, for dielectric thicknesses in the range from 10 to 30 nm, peak optical intensity at the top of the antenna gap is 4000 times greater than the incident field intensity. This is 4 times higher enhancement compared to a coupled metal antenna. The antenna is fabricated using focused ion-beam milling and measured using modified scanning probe microscopy. Such a device has potential applications in building mid-IR biosensors.

AB - Optical nanoantennas are capable of enhancing the near-field intensity and confining optical energy within a small spot size. We report a novel metal-dielectric-metal coupled-nanorods antenna integrated on the facet of a quantumcascade laser. Finite-difference time-domain simulations showed that, for dielectric thicknesses in the range from 10 to 30 nm, peak optical intensity at the top of the antenna gap is 4000 times greater than the incident field intensity. This is 4 times higher enhancement compared to a coupled metal antenna. The antenna is fabricated using focused ion-beam milling and measured using modified scanning probe microscopy. Such a device has potential applications in building mid-IR biosensors.

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Quantum-cascade laser integrated with a metal-dielectric-metal-based plasmonic antenna

Abstract

ASJC Scopus subject areas

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