Two-level injection in fiber-delay line based oscillator

被引：0
|
作者：
Gao, Weimin [1 ]
Liu, An [2 ]
Yao, Yuan [4 ]
Hong, Jun [2 ]
Fang, Xiaoyong [1 ]
Guo, Jian [3 ]
机构：
[1] Hunan Inst Technol, Sch Comp & Informat Sci, Hengyang 421002, Hunan, Peoples R China
[2] Hunan Inst Technol, Sch Elect & Informat Engn, Hengyang 421002, Hunan, Peoples R China
[3] Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China
[4] Northeastern Univ, Coll Informat sci & engn, Shenyang 110819, Peoples R China
来源：
OPTIK | 2014年 / 125卷 / 23期
关键词：
Phase noise; Opto-electronic oscillator; Single side band; Offset frequency; LOW-PHASE-NOISE;
D O I：
10.1016/j.ijleo.2014.08.058
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Two-level injection-locked opto-electronic oscillator is proposed for low phase noise. Dielectric resonator oscillator (DRO) is used as the first injection source, injection locking a long-fiber loop based opto-electronic oscillator, then its output is injection locking another long-fiber opto-electronic oscillator for getting a lower-phase noise output carrier. After the first injection, the single side band (SSB) phase noise at 10 kHz offset frequency decreases from -123 dBc/Hz to -135 dBc/Hz, then through the second injection the SSB phase noise drops down to -146 dBc/Hz. (C) 2014 Elsevier GmbH. All rights reserved.
引用
收藏
页码：6962 / 6964
页数：3
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