Optical forces on a quantum dot in metallic bowtie structures

Matthias Reichelt; Colm Dineen; Stephan W. Koch; Jerome V. Moloney

doi:10.1109/LPT.2008.916951

Optical forces on a quantum dot in metallic bowtie structures

Matthias Reichelt
, Colm Dineen
, Stephan W. Koch
, Jerome V. Moloney

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

3 Scopus citations

Abstract

We present a numerical scheme to calculate the electromagnetic force on a quantum dot in the near-field of subwavelength metallic nano-structures. As an application, we examine the forces on a quantum dot placed in the center of a gold nano-structure. The forces on the quantum dot are calculated using an adaptive mesh refinement finite-difference time-domain code combined with microscopic material equations. Is is shown that the dot may be laterally confined in the proposed geometry.

Original language	English (US)
Pages (from-to)	431-433
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	20
Issue number	6
DOIs	https://doi.org/10.1109/LPT.2008.916951
State	Published - Mar 15 2008

Keywords

Finite-difference time-domain (FDTD) methods
Nanotechnology
Numerical analysis
Quantum dots

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2008.916951

Cite this

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title = "Optical forces on a quantum dot in metallic bowtie structures",

abstract = "We present a numerical scheme to calculate the electromagnetic force on a quantum dot in the near-field of subwavelength metallic nano-structures. As an application, we examine the forces on a quantum dot placed in the center of a gold nano-structure. The forces on the quantum dot are calculated using an adaptive mesh refinement finite-difference time-domain code combined with microscopic material equations. Is is shown that the dot may be laterally confined in the proposed geometry.",

keywords = "Finite-difference time-domain (FDTD) methods, Nanotechnology, Numerical analysis, Quantum dots",

author = "Matthias Reichelt and Colm Dineen and Koch, \{Stephan W.\} and Moloney, \{Jerome V.\}",

note = "Funding Information: Manuscript received August 2, 2007; revised December 13, 2007. This work was supported by Grant AFOSR FA9550-04-1-0213 and Grant AFOSR FA9550-07-1-0010. The work of J. V. Moloney was supported by the Alexander von Humboldt Foundation. M. Reichelt, C. Dineen, and J. V. Moloney are with the Arizona Center for Mathematical Sciences, University of Arizona, Tucson, AZ 85721 USA (e-mail: [email protected]). S. W. Koch is with the Department of Physics and Material Sciences Center, Philipps University, 35032 Marburg, Germany. Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2008.916951 Fig. 1. Proposed gold structure (for dimensions, see text). AMR-FDTD code allows us to refine the grid to resolve details of the material as indicated.",

year = "2008",

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doi = "10.1109/LPT.2008.916951",

language = "English (US)",

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pages = "431--433",

journal = "IEEE Photonics Technology Letters",

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publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Optical forces on a quantum dot in metallic bowtie structures

AU - Reichelt, Matthias

AU - Dineen, Colm

AU - Koch, Stephan W.

AU - Moloney, Jerome V.

N1 - Funding Information: Manuscript received August 2, 2007; revised December 13, 2007. This work was supported by Grant AFOSR FA9550-04-1-0213 and Grant AFOSR FA9550-07-1-0010. The work of J. V. Moloney was supported by the Alexander von Humboldt Foundation. M. Reichelt, C. Dineen, and J. V. Moloney are with the Arizona Center for Mathematical Sciences, University of Arizona, Tucson, AZ 85721 USA (e-mail: [email protected]). S. W. Koch is with the Department of Physics and Material Sciences Center, Philipps University, 35032 Marburg, Germany. Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2008.916951 Fig. 1. Proposed gold structure (for dimensions, see text). AMR-FDTD code allows us to refine the grid to resolve details of the material as indicated.

PY - 2008/3/15

Y1 - 2008/3/15

N2 - We present a numerical scheme to calculate the electromagnetic force on a quantum dot in the near-field of subwavelength metallic nano-structures. As an application, we examine the forces on a quantum dot placed in the center of a gold nano-structure. The forces on the quantum dot are calculated using an adaptive mesh refinement finite-difference time-domain code combined with microscopic material equations. Is is shown that the dot may be laterally confined in the proposed geometry.

AB - We present a numerical scheme to calculate the electromagnetic force on a quantum dot in the near-field of subwavelength metallic nano-structures. As an application, we examine the forces on a quantum dot placed in the center of a gold nano-structure. The forces on the quantum dot are calculated using an adaptive mesh refinement finite-difference time-domain code combined with microscopic material equations. Is is shown that the dot may be laterally confined in the proposed geometry.

KW - Finite-difference time-domain (FDTD) methods

KW - Nanotechnology

KW - Numerical analysis

KW - Quantum dots

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JO - IEEE Photonics Technology Letters

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IS - 6

ER -

Optical forces on a quantum dot in metallic bowtie structures

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Keywords

ASJC Scopus subject areas

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