Photonic generation of UWB pulses with pulse position modulation

被引：7
|
作者：
Mu, H. [1 ,2 ]
Yao, J. [1 ]
机构：
[1] Univ Ottawa, Sch Informat Technol & Engn, Microwave Photon Res Lab, Ottawa, ON K1N 6N5, Canada
[2] Beijing Univ Aeronaut & Astronaut, Inst Optoelect Engn, Beijing 100083, Peoples R China
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 01期
关键词：
CONVERSION; POLARITY; SYSTEMS; FILTER; SHAPE;
D O I：
10.1049/el.2010.3154
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel photonic approach to generating ultra-wideband (UWB) signals with pulse position modulation (PPM) is proposed. The proposed system consists of two subsystems, the first subsystem being a two-tap photonic microwave delay-line filter for UWB monocycle pulse generation, the second subsystem being a pulse-position-modulation module to achieve PPM. When a Gaussian pulse train is inputted to the first subsystem, a monocycle pulse train is generated. The PPM is then realised in the second subsystem by modulating the state of polarisation of the monocycle pulse train with a data sequence, which is then sent to a polarisation-dependent device to introduce a time delay difference. An UWB signal with PPM at a bit rate of 625 Mbit/s is experimentally generated.
引用
收藏
页码：99 / 100
页数：2
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