Photonic Generation of 3-D UWB Signal Using a Dual-Drive Mach-Zehnder Modulator

被引：7
|
作者：
Cao, Pan [1 ]
Hu, Xiaofeng [1 ]
Wu, Jiayang [1 ]
Zhang, Liang [1 ]
Jiang, Xinhong [1 ]
Su, Yikai [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Dept Elect Engn, Shanghai 200240, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 14期
基金：
美国国家科学基金会;
关键词：
Ultra wideband (UWB); pulse modulation; three-dimensional (3-D); TRANSMISSION; WIRELESS;
D O I：
10.1109/LPT.2014.2326550
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：
We propose and experimentally demonstrate a new method to generate a 3-D ultrawideband (UWB) signal by utilizing a dual-drive Mach-Zehnder modulator (DDMZM). Three degrees of freedom of the generated 3-D UWB signal are pulse position, pulse phase, and pulse amplitude. In this scheme, each radio frequency (RF) port of the DDMZM is modulated by a combination of two encoded signals with different amplitudes. By properly adjusting the amplitudes of the encoded signals and the bias voltages of the two RF ports, a 5-Gb/s 3-D UWB signal with a central frequency of 3.5 GHz and a 10-dB fractional bandwidth of 163% is successfully generated by using only a single DDMZM.
引用
收藏
页码：1434 / 1437
页数：4
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