Modal characteristics in a single-nanowire cavity with a triangular cross section

Min Kyo Seo; Jin Kyu Yang; Kwang Yong Jeong; Hong Gyu Park; Fang Qian; Ho Seok Ee; You Shin No; Yong Hee Lee

doi:10.1021/nl8027125

Modal characteristics in a single-nanowire cavity with a triangular cross section

Min Kyo Seo, Jin Kyu Yang, Kwang Yong Jeong, Hong Gyu Park, Fang Qian, Ho Seok Ee, You Shin No, Yong Hee Lee

Department of Physics

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

33 Citations (Scopus)

Abstract

In this study, the modal characteristics of a single-GaN nanowire cavity with a triangular cross section surrounded by air or located on a silicon dioxide substrate have been analyzed. Two transverse resonant modes, transverse electric-like and transverse magnetic-like modes, are dominantly excited for nanowire cavities that have a small cross-sectional size of <300 nm and length of 10 μm. Using the three-dimensional finite-difference time-domain simulation method, quality factors, confinement factors, single-mode conditions, and far-field emission patterns are investigated for a nanowire cavity as a function of one length of the triangular cross section. The results of these simulations provide information that will be vital for the design and development of efficient nanowire lasers and light sources in ultracompact nanophotonic integrated circuits.

Original language	English
Pages (from-to)	4534-4538
Number of pages	5
Journal	Nano Letters
Volume	8
Issue number	12
DOIs	https://doi.org/10.1021/nl8027125
Publication status	Published - 2008 Dec

ASJC Scopus subject areas

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

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title = "Modal characteristics in a single-nanowire cavity with a triangular cross section",

abstract = "In this study, the modal characteristics of a single-GaN nanowire cavity with a triangular cross section surrounded by air or located on a silicon dioxide substrate have been analyzed. Two transverse resonant modes, transverse electric-like and transverse magnetic-like modes, are dominantly excited for nanowire cavities that have a small cross-sectional size of <300 nm and length of 10 μm. Using the three-dimensional finite-difference time-domain simulation method, quality factors, confinement factors, single-mode conditions, and far-field emission patterns are investigated for a nanowire cavity as a function of one length of the triangular cross section. The results of these simulations provide information that will be vital for the design and development of efficient nanowire lasers and light sources in ultracompact nanophotonic integrated circuits.",

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AU - Seo, Min Kyo

AU - Yang, Jin Kyu

AU - Jeong, Kwang Yong

AU - Park, Hong Gyu

AU - Qian, Fang

AU - Ee, Ho Seok

AU - No, You Shin

AU - Lee, Yong Hee

PY - 2008/12

Y1 - 2008/12

N2 - In this study, the modal characteristics of a single-GaN nanowire cavity with a triangular cross section surrounded by air or located on a silicon dioxide substrate have been analyzed. Two transverse resonant modes, transverse electric-like and transverse magnetic-like modes, are dominantly excited for nanowire cavities that have a small cross-sectional size of <300 nm and length of 10 μm. Using the three-dimensional finite-difference time-domain simulation method, quality factors, confinement factors, single-mode conditions, and far-field emission patterns are investigated for a nanowire cavity as a function of one length of the triangular cross section. The results of these simulations provide information that will be vital for the design and development of efficient nanowire lasers and light sources in ultracompact nanophotonic integrated circuits.

AB - In this study, the modal characteristics of a single-GaN nanowire cavity with a triangular cross section surrounded by air or located on a silicon dioxide substrate have been analyzed. Two transverse resonant modes, transverse electric-like and transverse magnetic-like modes, are dominantly excited for nanowire cavities that have a small cross-sectional size of <300 nm and length of 10 μm. Using the three-dimensional finite-difference time-domain simulation method, quality factors, confinement factors, single-mode conditions, and far-field emission patterns are investigated for a nanowire cavity as a function of one length of the triangular cross section. The results of these simulations provide information that will be vital for the design and development of efficient nanowire lasers and light sources in ultracompact nanophotonic integrated circuits.

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Modal characteristics in a single-nanowire cavity with a triangular cross section

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