Intraband absorption and emission of light in quantum wells and quantum dots

被引：6
|
作者：
Vorob'ev, LE
Panevin, VY
Fedosov, NK
Firsov, DA
Shalygin, VA
Hanna, S
Seilmeier, A
Moumanis, K
Julien, F
Zhukov, AE
Ustinov, VM
机构：
[1] St Petersburg State Tech Univ, St Petersburg 195251, Russia
[2] Univ Bayreuth, Inst Phys, D-95440 Bayreuth, Germany
[3] Univ Paris 11, Inst Elect Fondamentale, F-91405 Orsay, France
[4] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
来源：
PHYSICS OF THE SOLID STATE | 2004年 / 46卷 / 01期
关键词：
Radiation; Spectroscopy; State Physics; Absorption Coefficient; Absorption Spectrum;
D O I：
10.1134/1.1641936
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
High-resolution spectroscopy in the mid-infrared spectral range is used to study electronic transitions between size-quantization subbands in stepped quantum wells under picosecond interband excitation. The contributions from intersubband and intrasubband absorption of light are separated by using the difference in time profiles of the absorption coefficient for these cases. For stepped quantum wells, spontaneous interband luminescence and superluminescence are studied for different excitation levels. For structures with quantum dots, the intraband absorption spectra for n- and p-type structures and the spectra of photoinduced intraband absorption and emission (for polarized radiation) for undoped structures are studied. (C) 2004 MAIK "Nauka / Interperiodica".
引用
收藏
页码：118 / 121
页数：4
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