Photonic-delay homodyne technology for low-phase noise measurement

被引：7
|
作者：
Hong, Jun [1 ]
Yin, Lan [2 ]
机构：
[1] Hunan Inst Technol, Dept Elect & Informat Engn, Hengyang 421002, Hunan, Peoples R China
[2] Univ South China, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China
来源：
OPTIK | 2014年 / 125卷 / 07期
关键词：
Phase noise; Photonic delay; Cross correlation;
D O I：
10.1016/j.ijleo.2013.10.035
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The sensitivity of photonic-delay homodyne phase noise measurement system is improved by using high-linear photodetector and low-phase noise amplifier in this paper. The phase noise model for microwave link is proposed and the sensitivity of photonic-delay based measurement system is analyzed with this theory model. Results show that phase noise sensitivity in this measurement system is - 130 dBc/Hz at 1 kHz and - 145 dBc/Hz at 10 kHz, and in my knowledge it is the highest sensitivity for photonic-delay homodyne technology without cross correlation. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：1868 / 1870
页数：3
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