Intersubband absorption at λ ∼ 1.2-1.6 μm in GaN/AlN multiple quantum wells grown by rf-plasma molecular beam epitaxy

被引:0
|
作者
Kishino, K [1 ]
Kikuchi, A [1 ]
Kanazawa, H [1 ]
Tachibana, T [1 ]
机构
[1] Sophia Univ, Dept Elect & Elect Engn, Chiyoda Ku, Tokyo 1028554, Japan
关键词
D O I
10.1002/1521-396X(200207)192:1<124::AID-PSSA124>3.0.CO;2-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to investigate the intersubband transition (ISBT), GaN/AlN multiple quantum wells with 90 GaN wells were prepared directly on (0001) sapphire substrates by rf-plasma molecular beam epitaxy. The thickness of GaN well and AlN barrier were 4-8 monolayers (ML) and similar to11 ML, respectively. One ML corresponds to around 2.6 Angstrom. ISBT absorptions at 1.15-1.55 mum in wavelength, which covers the whole communication wavelength, were measured, and 1.15 mum is the shortest record in ISBT-wavelength.
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页码:124 / 128
页数:5
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