SUBPICOSECOND ELECTROMAGNETIC PULSES FROM LARGE-APERTURE PHOTOCONDUCTING ANTENNAS

被引：107

作者：

DARROW, JT

HU, BB

ZHANG, XC

AUSTON, DH

机构：

[1] Department of Electrical Engineering, Microelectronics Sciences Laboratories, Columbia University, New York, NY

[2] Center for Telecommunications Research, Columbia University, New York, NY

来源：

OPTICS LETTERS | 1990年 / 15卷 / 06期

关键词：

D O I：

10.1364/OL.15.000323

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The radiation efficiency and physical mechanism for the generation of subpicosecond electromagnetic pulses from large-aperture photoconducting antennas are evaluated. The rise time of the photocurrent is found to be more important than the fall time in determining the relative sensitivity of photoconducting materials. Indium phosphide is found to be almost 10 times more sensitive than radiation-damaged silicon-on-sapphire. © 1990 Optical Society of America.

引用

页码：323 / 325

页数：3

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