Optical serial coherent analyzer of radio-frequency (OSCAR)

被引：17

作者：

Li, Ruiyue ^{[1
,2
]}

Chen, Hongwei ^{[1
,2
]}

Lei, Cheng ^{[1
,2
]}

Yu, Ying ^{[1
,2
]}

Chen, Minghua ^{[1
,2
]}

Yang, Sigang ^{[1
,2
]}

Xie, Shizhong ^{[1
,2
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

[2] Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 11期

关键词：

MICROWAVE FREQUENCY-MEASUREMENT; SCANNING RECEIVER; PHOTONIC APPROACH;

D O I：

10.1364/OE.22.013579

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical serial coherent analyzer of radio-frequency is a novel scheme that enables fast-scanning microwave signal measurements in a large bandwidth. The measurements are performed based on serial channelization realized by using a fast scanning laser source as the local oscillator to down-convert the to-be-measured radio-frequency (RF) signals. Optical coherent detection effectively removes interferences induced by RF's self-beating and guarantees the accuracy of measurements. In the experimental demonstration, instantaneous multi-frequency measurements and vector information acquisition of RF signals can be achieved by this scheme within 2.8 mu s over 14 GHz bandwidth. (C)2014 Optical Society of America

引用

页码：13579 / 13585

页数：7

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