Optically Pumped Green (530-560 nm) Stimulated Emissions from InGaN/GaN Multiple-Quantum-Well Triangular-Lattice Nanocolumn Arrays

被引：38

作者：

Ishizawa, Shusuke ^{[1
,3
]}

Kishino, Katsumi ^{[1
,2
,3
]}

Araki, Ryuichi ^{[1
]}

Kikuchi, Akihiko ^{[1
,2
,3
]}

Sugimoto, Shuichi ^{[1
]}

机构：

[1] Sophia Univ, Dept Engn & Appl Sci, Chiyoda Ku, Tokyo 1028554, Japan

[2] Sophia Univ, Sophia Nanotechnol Res Ctr, Chiyoda Ku, Tokyo 1028554, Japan

[3] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3300012, Japan

来源：

APPLIED PHYSICS EXPRESS | 2011年 / 4卷 / 05期

关键词：

MOLECULAR-BEAM EPITAXY; GAN NANOCOLUMNS; GROWTH;

D O I：

10.1143/APEX.4.055001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on optically pumped green stimulated emissions from regular nanocolumn arrays. Various InGaN-based triangular-lattice nanocolumn arrays with different lattice constants and nanocolumn diameters were prepared on a (0001) GaN/c-sapphire template using selective-area growth by rf-plasma-assisted molecular-beam epitaxy. The nanocolumn arrays were optically pumped at room temperature, and sharp peaks of stimulated emission were observed at green color wavelengths from 530 to 560 nm. The wavelengths varied with the photonic band edge, which was determined by the structural parameters of the nanocolumn arrays. The photonic crystal effect occurred, with the periodic arrangement of the nanocolumns contributing to the stimulated emission. (C) 2011 The Japan Society of Applied Physics

引用

页数：3

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