GaN/AlGaN intersubband optoelectronic devices

被引:87
作者
Machhadani, H. [1 ]
Kandaswamy, P. [2 ]
Sakr, S. [1 ]
Vardi, A. [3 ]
Wirtmueller, A. [2 ]
Nevou, L. [1 ]
Guillot, F. [2 ]
Pozzovivo, G. [4 ]
Tchernycheva, M. [1 ]
Lupu, A. [1 ]
Vivien, L. [1 ]
Crozat, P. [1 ]
Warde, E. [1 ]
Bougerol, C. [2 ]
Schacham, S. [3 ]
Strasser, G. [4 ]
Bahir, G. [3 ]
Monroy, E. [2 ]
Julien, F. H. [1 ]
机构
[1] Univ Paris 11, UMR CNRS 8622, Inst Elect Fondamentale, F-91405 Orsay, France
[2] CEA, Equipe Mixte CEA CNRS Nanophys & Semicond, INAC SP2M PSC, F-38054 Grenoble 9, France
[3] Technion Israel Inst Technol, Dept Elect Engn, IL-32000 Haifa, Israel
[4] Vienna Univ Technol, Zentrum Mikro & Nanostrukturen, A-1040 Vienna, Austria
关键词
QUANTUM-WELLS; MU-M; NONLINEAR SUSCEPTIBILITY; INFRARED PHOTODETECTOR; WAVELENGTH RANGE; ABSORPTION; DOTS; TRANSITIONS; RELAXATION; MODULATOR;
D O I
10.1088/1367-2630/11/12/125023
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper reviews recent progress toward intersubband (ISB) devices based on III-nitride quantum wells (QWs). First, we discuss the specific features of ISB active region design using GaN/AlGaN materials, and show that the ISB wavelength can be tailored in a wide spectral range from near-to long infrared wavelengths by engineering the internal electric field and layer thicknesses. We then describe recent results for electro-optical waveguide modulator devices exhibiting a modulation depth as large as 14 dB at telecommunication wavelengths. Finally, we address a new concept of III-nitride QW detectors based on the quantum cascade scheme, and show that these photodetectors offer the prospect of high-speed devices at telecommunication wavelengths.
引用
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页数:16
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