Resonant-cavity light-emitting diodes:: quantum noise and spatial emission characteristics

被引：7
作者：
Birkner, RH
Kaiser, J
Elsässer, W
Jung, C
机构：
[1] Tech Univ Darmstadt, Inst Appl Phys, D-64289 Darmstadt, Germany
[2] OSRAM Opto Semicond GmbH, D-93049 Regensburg, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2004年 / 79卷 / 08期
关键词：
D O I：
10.1007/s00340-004-1667-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the interplay between the intensity noise and the spatial emission characteristics of resonant-cavity light-emitting diodes. First, we find that the total aperture intensity noise exhibits a sub-shot noise behavior in a quite large pumping regime. Second, we investigate the angular, spectral, and spatial emission characteristics of the devices by controlling the shape and width of the angular intensity distribution via temperature detuning of the quantum well wavelength and the cavity resonance wavelength. Finally, the angular and aperture resolved intensity noise exhibit a super-shot noise behavior in contrast to that of the total emission. We explain this difference with anticorrelations between various radial components which increase with the temperature-tuned extension of the spatial emission.
引用
收藏
页码：963 / 967
页数：5
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