Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks

Yen Ting Chen; Wen Che Tsai; Wen Yen Chen; Ching Lien Hsiao; Hsu Cheng Hsu; Wen Hao Chang; Tzu Min Hsu; Kuei Hsien Chen; Li Chyong Chen

doi:10.1364/OE.20.016166

Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks

Yen Ting Chen, Wen Che Tsai, Wen Yen Chen, Ching Lien Hsiao, Hsu Cheng Hsu, Wen Hao Chang, Tzu Min Hsu, Kuei Hsien Chen, Li Chyong Chen

Department of Photonics

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

10 Citations (Scopus)

Abstract

Wafer-scale production of single InGaN quantum disks (QD) ina-nanorod array with small rod diameter (> 9 nm) and low rod-density (< 108 cm 2) has been achieved without extensive processing steps. Excitation power-dependent μPL spectrum of single QD reveals multi-excitonic peak with 0.75 meV blue-shift for 3 orders of magnitude increasing power indicating the present system is spectrally stable and nearly free of quantum-confined Stark effects, due possibly to the strain relaxation induced by free surface of small rod diameters. The fully polarized emissions, a high working temperature (180 K), low rod density and good alignment, render this system promising as a potential quantum photon source.

Original language	English
Pages (from-to)	16166-16173
Number of pages	8
Journal	Optics Express
Volume	20
Issue number	15
DOIs	https://doi.org/10.1364/OE.20.016166
Publication status	Published - 2012 Jul 16

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.20.016166

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title = "Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks",

abstract = "Wafer-scale production of single InGaN quantum disks (QD) ina-nanorod array with small rod diameter (> 9 nm) and low rod-density (< 108 cm 2) has been achieved without extensive processing steps. Excitation power-dependent μPL spectrum of single QD reveals multi-excitonic peak with 0.75 meV blue-shift for 3 orders of magnitude increasing power indicating the present system is spectrally stable and nearly free of quantum-confined Stark effects, due possibly to the strain relaxation induced by free surface of small rod diameters. The fully polarized emissions, a high working temperature (180 K), low rod density and good alignment, render this system promising as a potential quantum photon source.",

author = "Chen, {Yen Ting} and Tsai, {Wen Che} and Chen, {Wen Yen} and Hsiao, {Ching Lien} and Hsu, {Hsu Cheng} and Chang, {Wen Hao} and Hsu, {Tzu Min} and Chen, {Kuei Hsien} and Chen, {Li Chyong}",

year = "2012",

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doi = "10.1364/OE.20.016166",

language = "English",

volume = "20",

pages = "16166--16173",

journal = "Optics Express",

issn = "1094-4087",

publisher = "The Optical Society",

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Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks. / Chen, Yen Ting; Tsai, Wen Che; Chen, Wen Yen; Hsiao, Ching Lien; Hsu, Hsu Cheng; Chang, Wen Hao; Hsu, Tzu Min; Chen, Kuei Hsien; Chen, Li Chyong.

In: Optics Express, Vol. 20, No. 15, 16.07.2012, p. 16166-16173.

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

TY - JOUR

T1 - Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks

AU - Chen, Yen Ting

AU - Tsai, Wen Che

AU - Chen, Wen Yen

AU - Hsiao, Ching Lien

AU - Hsu, Hsu Cheng

AU - Chang, Wen Hao

AU - Hsu, Tzu Min

AU - Chen, Kuei Hsien

AU - Chen, Li Chyong

PY - 2012/7/16

Y1 - 2012/7/16

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AB - Wafer-scale production of single InGaN quantum disks (QD) ina-nanorod array with small rod diameter (> 9 nm) and low rod-density (< 108 cm 2) has been achieved without extensive processing steps. Excitation power-dependent μPL spectrum of single QD reveals multi-excitonic peak with 0.75 meV blue-shift for 3 orders of magnitude increasing power indicating the present system is spectrally stable and nearly free of quantum-confined Stark effects, due possibly to the strain relaxation induced by free surface of small rod diameters. The fully polarized emissions, a high working temperature (180 K), low rod density and good alignment, render this system promising as a potential quantum photon source.

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Growth of sparse arrays of narrow GaN nanorods hosting spectrally stable InGaN quantum disks

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