Photonic generation and transmission of phase-modulated microwave signals

被引:2
|
作者
Zhu, Sha [1 ,2 ]
Fan, Xiaojie [1 ,2 ]
Li, Ming [1 ,2 ]
Zhu, Ning Hua [1 ,2 ]
Li, Wei [1 ,2 ]
机构
[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
来源
关键词
Microwave photonics; Phase-modulated microwave signal; Phase coded; Frequency chirped; Power fading elimination; WAVE-FORM GENERATION; FIBER;
D O I
10.1117/12.2536317
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In modern radar system, pulse compression technique has been widely used to increase the detection distance and range resolution. To enlarge the pulse compression ratio, the microwave signals are often phase modulated, such as phase-coded or frequency chirped. Conventionally, the phase-modulated microwave signals generated by electrical methods suffer from low microwave carrier frequency, limited bandwidth, low data rate and high transmission loss. Photonic-assisted generation and transmission of phase-modulated signals is a promising candidate to overcome these limitations In this paper, we review our recent works about the photonic generation and transmission of phase-modulated microwave signals, including the simultaneously frequency up-conversion and phase-coding, background-free frequency-doubled phase-coded microwave signal generation, phase-coded microwave pulse generator by optoelectronic oscillation (OEO), as well as transmission of dual-chirped microwave signals with chromatic-dispersion-induced power fading (CDIP) compensation and elimination technology. These works represent the new progresses in photonic approaches to generate and transmit phase-modulated microwave signals, which has great potential in the modern radar system.
引用
收藏
页数:11
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