Quantum Optoelectronics

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Photoluminescence properties of a single GaN nanorod with GaN/AlGaN multilayer quantum disks

APPLIED PHYSICS LETTERS 90:10 (2007) ARTN 101901

Authors:

SN Yi, Jong H Na, Kwan H Lee, Anas F Jarjour, Robert A Taylor, YS Park, TW Kang, S Kim, DH Ha, G Andrew, D Briggs
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Progress in the optical studies of single InGaN/GaN quantum dots

PHILOSOPHICAL MAGAZINE 87:13 (2007) 2077-2093

Authors:

AF Jarjour, RA Oliver, RA Taylor
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Roughness analysis of GaN surfaces at different annealing temperatures for an AlN buffer layer

JOURNAL OF THE KOREAN PHYSICAL SOCIETY 51:1 (2007) 209-213

Authors:

MK Bae, DH Shin, SN Yi, SH Doh, JH Na, KH Lee, RA Taylor, SH Park
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Two-Photon Excitation of Asymmetric GaN/AlGaN Quantum Discs

AIP Conference Proceedings AIP 893 (2007) 981-982

Authors:

Kwan H Lee, Jong H Na, Stefan Birner, Sam N Yi, Robert A Taylor, Young S Park, Chang M Park, Tae W Kang
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Two-photon excitation of asymmetric GaN/AlGaN quantum discs

AIP CONF PROC 893 (2007) 981-982

Authors:

KH Lee, JH Na, S Birner, SN Yi, RA Taylor, YS Park, CM Park, TW Kang

Abstract:

By using two-photon absorption spectroscopy we have performed time-integrated and time-resolved photolurninescence measurements on several coupled asymmetric GaN quantum discs, with embedded AlGaN barriers. We observe free-carrier screening, with an enhancement due to tunneling between the coupled quantum discs.
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