High-repetition-rate white-light pump-probe spectroscopy with a tapered fiber

被引：4

作者：

Punke, M

Hoos, F

Karnutsch, C

Lemmer, U

Linder, N

Streubel, K

机构：

[1] Univ Karlsruhe, Light Technol Inst, D-76131 Karlsruhe, Germany

[2] Univ Karlsruhe, CFN, D-76131 Karlsruhe, Germany

[3] OSRAM Opto Semicond GmbH, D-93049 Regensburg, Germany

来源：

OPTICS LETTERS | 2006年 / 31卷 / 08期

关键词：

D O I：

10.1364/OL.31.001157

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have realized a 76 MHz white-light differential transmission spectroscopy system. The technique employs a Ti:sapphire laser oscillator and a tapered fiber to generate a white-light continuum spanning almost the full visible to near-infrared spectral range. Using acousto-optical modulation and subsequent lock-in detection, transient relative transmission changes as small as 10(-5) are detected. The method is applied to study the ultrafast gain dynamics of the active layer of a vertical-external-cavity surface-emitting laser based on a multiple-quantum-well structure. (c) 2006 Optical Society of America.

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收藏

页码：1157 / 1159

页数：3

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