Near-field photocurrent spectroscopy of laser diode devices

被引：9
|
作者：
Tomm, JW
Günther, T
Lienau, C
Gerhardt, A
Donecker, J
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany
[2] Inst Kristallzuchtung, D-12489 Berlin, Germany
来源：
JOURNAL OF CRYSTAL GROWTH | 2000年 / 210卷 / 1-3期
关键词：
D O I：
10.1016/S0022-0248(99)00700-9
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Near-field optical beam-induced current (NOBIC) experiments performed on commercial laser diode devices are presented. NOBIC and 'macroscopic' photocurrent data are compared and new results on edge-emitting laser devices with different waveguide architectures are analyzed. We discuss the image formation in these experiments, in particular the role of waveguiding and saturation processes. Both the ground and first excited mode of the waveguide structure are spatially resolved. The first NOBIC images of top-emitting vertical cavity lasers excited through the top Bragg-mirror are reported. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：296 / 302
页数：7
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