Photonic Generation of Bandwidth-Doubling Dual-Chirp Waveform Using a Dual-Parallel MZM

被引：0
|
作者：
Yi, Chongyin [1 ]
He, Hongxia [1 ]
Yang, Bo [2 ]
Jin, Tao [1 ]
Chi, Hao [2 ]
机构：
[1] Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China
[2] Hangzhou Dianzi Univ, Sch Commun Engn, Hangzhou 310018, Peoples R China
来源：
SEVENTH SYMPOSIUM ON NOVEL PHOTOELECTRONIC DETECTION TECHNOLOGY AND APPLICATIONS | 2021年 / 11763卷
关键词：
Microwave photonic; Dual-chirp waveform; DPMZM; Frequency and bandwidth doubling; FIBER;
D O I：
10.1117/12.2587166
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dual-chirp waveform, as a type of wideband radar signal that can improve the range-Doppler resolution in radar system has been studied widely. In this paper, a photonic scheme for generation of frequency- and bandwidth-doubling dual-chirp waveform is proposed and experimental demonstrated. An integrated dual-parallel MZM is applied, where a microwave signal and a single-chirp signal are modulated, biasing at null and full points, respectively. An electrical rather than optical band-pass filter that used in the system can reduce the complexity. Experimental results perform the generated dual-chirp waveforms with frequency of 6 GHz and bandwidth of 2 GHz. The time-bandwidth product is about 154.2. Potentially, this approach can be a method for high frequency, large bandwidth and long duration dual-chirp waveforms generation.
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页数：3
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