Ultrafast nonlinear subwavelength solid immersion spectroscopy at T = 8 K

被引：34

作者：

Vollmer, M ^{[1
]}

Giessen, H

Stolz, W

Rühle, WW

Ghislain, L

Elings, V

机构：

[1] Univ Marburg, Zentrum Mat Wissensch, Fachbereich Phys & Wissensch, D-35032 Marburg, Germany

[2] Digital Instruments Inc, Santa Barbara, CA 93117 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 13期

关键词：

D O I：

10.1063/1.123087

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Pump-probe measurements with a subwavelength spatial resolution of 355 nm and a temporal resolution of 130 fs have been performed in a multiple quantum well sample at T=8 K. A solid immersion lens was used to increase the spatial resolution to 0.41 . lambda and the effective numerical aperture to 1.23, demonstrating that the limit of conventional microscopy has been surpassed. The lateral carrier transport was investigated on subpicosecond timescales. (C) 1999 American Institute of Physics. [S0003-6951(99)03113-7].

引用

页码：1791 / 1793

页数：3

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