OPTICAL PHOTODETECTOR FOR NEAR-FIELD OPTICS

被引：16

作者：

KOLB, G

KARRAI, K

ABSTREITER, G

机构：

[1] Walter Schottky Institut, Technische Universität München

来源：

APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 24期

关键词：

D O I：

10.1063/1.112469

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A p-n homojunction GaAs-based photodetector is developed in order to operate in the near field of a subwavelength sized light source. It has a spatial resolution of about 270 nm, limited by diffusion of minority carriers. A detector with a built-in AlGaAs diffusion barrier is also studied, demonstrating an improved resolution of better than 100 nm. © 1994 American Institute of Physics.

引用

页码：3090 / 3092

页数：3

共 8 条

[1] SINGLE-MOLECULE DETECTION AND PHOTOCHEMISTRY ON A SURFACE USING NEAR-FIELD OPTICAL-EXCITATION [J].