Dispersion-Induced-Loss-Independent Photonic Instantaneous Frequency Measurement Using Remote-Fiber-Based Tunable Microwave Filter

被引：9
作者：
Zou, Xihua [1 ]
Pan, Wei [1 ]
Luo, Bin [1 ]
Yan, Lianshan [1 ]
机构：
[1] SW Jiaotong Univ, Ctr Informat Photon & Commun, Sch Informat Sci & Technol, Chengdu 610031, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2010年 / 22卷 / 15期
基金：
中国国家自然科学基金;
关键词：
Instantaneous frequency measurement (IFM); microwave photonics; optical microwave signal processing; remote receiver; CHANNELIZER; RESOLUTION; SYSTEM; RANGE;
D O I：
10.1109/LPT.2010.2050137
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：
A photonic approach to the instantaneous frequency measurement (IFM) of a remote microwave receiver is proposed and experimentally demonstrated. In the proposed system, two continuous-wave light waves having a tunable wavelength spacing are distributed to a remote unit. After being phase-modulated by a received microwave signal, the two light waves are fed back to the indoor unit via a length of single-mode fiber which serves as a remote link and a delay line to establish a two-tap microwave filter. The microwave frequency to be measured is then estimated from the filtering response that is obtained by removing the dispersion-induced loss in the fiber-link. Therefore, a dispersion-induced-loss-independent approach is established which enables a flexible and distributed IFM solution for remote receivers.
引用
收藏
页码：1090 / 1092
页数：3
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