Terahertz generation by optically injected semiconductor laser for radar and communication applications

The Journal of Engineering

Pei Zhou¹  Fangzheng Zhang¹  Shilong Pan¹  Daocheng Zhang¹ 

[1] Nanjing University of Aeronautics and Astronautics;

关键词: optical fibre communication;    microwave photonics;    semiconductor lasers;    laser tuning;    optical modulation;    random sequences;    optically injected semiconductor laser;    radar;    communication applications;    thz generator;    detuning frequency;    injection strength;    thz wireless communication experiment;    terahertz generation;    frequency-tunable terahertz;    wave generation scheme;    bit rate 150.0 mbit/s;    frequency 0.1 thz to 3.257 thz;   

DOI  :  10.1049/joe.2019.0518

来源: DOAJ

【 摘 要 】

A frequency-tunable terahertz (THz) wave generation scheme based on an optically injected semiconductor laser is proposed for radar and communication applications. The THz generator has a very simple structure, and it is demonstrated to have a broad tuning range of 0.1–3.257 THz, which is realised by adjusting the detuning frequency and injection strength of the semiconductor laser. Feasibility of the proposed THz generator is verified by a THz wireless communication experiment, in which error-free transmission of 150 Mbit/s on–off keying pseudorandom bit sequence signals with a 115-GHz carrier is achieved over a 1-meter free-space link.

【 授权许可】

Unknown