Ultrafast modulation of semiconductor lasers through a terahertz field

被引：7
|
作者：
Ning, CZ
Hughes, S
Citrin, DS
机构：
[1] NASA, Ames Res Ctr, Computat Quantum Optoelect, Moffett Field, CA 94035 USA
[2] Washington State Univ, Dept Phys, Semicond Opt Theory Grp, Pullman, WA 99164 USA
[3] Washington State Univ, Ctr Mat Res, Pullman, WA 99164 USA
来源：
APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 04期
关键词：
D O I：
10.1063/1.124402
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate, by means of numerical simulation, an interesting mechanism to modulate and switch semiconductor lasers at THz and sub-THz frequency rates. A sinusoidal terahertz field applied to a semiconductor laser heats the electron-hole plasma and consequently modifies the optical susceptibility. This allows an almost linear modulation of the output power of the semiconductor laser and leads to a faithful reproduction of the terahertz-field waveform in the emitted laser intensity. (C) 1999 American Institute of Physics. [S0003-6951(99)04330-2].
引用
收藏
页码：442 / 444
页数：3
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