Wireless terahertz light transmission based on digitally-modulated terahertz quantum-cascade laser

被引：12
|
作者：
Tan, Zhiyong [1 ]
Chen, Zhen [1 ]
Cao, Juncheng [1 ]
Liu, Huichun [2 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Key Lab Terahertz Solid State Technol, Shanghai 200050, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Phys, Key Lab Artificial Struct & Quantum Control, Shanghai 200240, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2013年 / 11卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Semiconductor quantum wells - Modulation - Light transmission;
D O I：
10.3788/COL201311.031403
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A wireless terahertz digital transmission link is demonstrated, in which a quantum-cascade laser and a spectrally-matched quantum-well photodetector serve as the emitter and receiver, respectively. An on-off modulation scheme is used. By directly amplitude modulating the laser emitting at 4.13 THz, a 1.0-Mbps pseudorandom signal is transmitted over a distance of 2.2 m.
引用
收藏
页数：3
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