A UWB pulse generation based on a phase modulator and programmable filter

被引：3
|
作者：
Yang, Chengliang [1 ]
Xia, Li [1 ]
Fu, Songnian [1 ]
Liu, Deming [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Technol Wuhan Natl Lab Optoelect, Natl Engn Lab Next Generat Internet Access Syst, Wuhan 430074, Hubei, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2014年 / 318卷
关键词：
Microwave photonics; Ultra-wideband; Phase modulation; SEMICONDUCTOR OPTICAL AMPLIFIER; SIGNAL GENERATION; MONOCYCLE; DISPERSION; CONVERSION;
D O I：
10.1016/j.optcom.2013.12.080
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple scheme for the ultra-wideband (UWB) pulse generation based on a phase modulator and programmable filter is proposed and experimentally demonstrated. By locating the center wavelength of two tunable lasers at left and right linear slope of the filter, polarity-reversed monocycle pluses are generated. A section of single mode fiber is utilized to introduce proper time delay between the pair of UWB monocycle pulses. By switching the programmable filter between bandpass filter and notch filter, positive and negative doublet pulse can be obtained additionally. The generated UWB pulses are measured in both time and frequency domain. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：166 / 170
页数：5
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