A Reconfigurable Microwave Photonic Channelized Receiver Based on Dense Wavelength Division Multiplexing Using an Optical Comb

被引：48

作者：

Li, Ze ^{[1
]}

Zhang, Xianmin ^{[1
]}

Chi, Hao ^{[1
]}

Zheng, Shilie ^{[1
]}

Jin, Xiaofeng ^{[1
]}

Yao, Jianping ^{[2
]}

机构：

[1] Zhejiang Univ, Dept Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China

[2] Univ Ottawa, Sch Informat Technol & Engn, Microwave Photon Res Lab, Ottawa, ON K1N 6N5, Canada

来源：

OPTICS COMMUNICATIONS | 2012年 / 285卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Microwave photonics; Microwave frequency measurement; Channelized receiver; Optical comb; MULTIWAVELENGTH SOURCE; SCANNING RECEIVER; FABRY-PEROT; FREQUENCY; MODULATORS;

D O I：

10.1016/j.optcom.2012.01.023

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A photonic approach to implementing a microwave channelized receiver based on dense wavelength division multiplexing using an optical comb is proposed. In the approach, a flat optical comb with 11 comb lines is generated using two cascaded Mach-Zehnder modulators. Frequency analysis of a microwave signal with multiple-frequency components is realized by using the optical comb together with an optical etalon with a periodic transfer function, a wavelength division multiplexer (WDM) and a photodetector array. The system is investigated numerically. Frequency measurement of a multi-frequency signal with a measurement range from 0.5-11.5 with an accuracy of +/- 0.5 GHz is achieved. The reconfigurability of the system realized by tuning the comb-line spacing and the peak positions of the etalon is also evaluated. The improvement of the dynamic range of the system using an optimized periodic filter is also discussed. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2311 / 2315

页数：5

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