Terahertz photomixing with diode lasers in low-temperature-grown GaAs

被引：276

作者：

McIntosh, KA

Brown, ER

Nichols, KB

McMahon, OB

DiNatale, WF

Lyszczarz, TM

机构：

[1] Lincoln Laboratory, Massachusetts Institute of Technology

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 26期

关键词：

D O I：

10.1063/1.115292

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Recent optical heterodyne measurements with distributed-Bragg-reflector diode-laser pumps demonstrate that low-temperature-grown (LTG) GaAs photomixers will be useful in a compact all-solid-state terahertz source. Electrical 3 dB bandwidths as large as 650 GHz are measured in mixers with low electrode capacitance. These bandwidths appear to be independent of pump-laser wavelength over the range 780-850 nm. Shorter wavelength pumping results in a significant reduction of the bandwidth. The best LTG-GaAs photomixers are used to generate coherent continuous-wave output radiation at frequencies up to 5 THz. (C) 1995 American Institute of Physics.

引用

页码：3844 / 3846

页数：3

共 12 条

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