A coupled optoelectronic oscillator with three resonant cavities

作     者：单媛媛 江阳 白光富 马闯 李红霞 梁建惠 

作者机构：Department of Physics College of Science Guizhou University 

出 版 物：《Optoelectronics Letters》 (光电子快报（英文版）)

年 卷 期：2015年第11卷第1期

页      面：26-29页

核心收录：

学科分类：080904[工学-电磁场与微波技术] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

基　　金：supported by the National Natural Science Foundation of China(Nos.61061004 and 61465002) the Program for New Century Excellent Talents in University of Ministry of Education of China(No.NCET-10-0099) 

主　　题：luminous rendering matching coordinates lighting adjusted tuning overlap adjusting orange 

摘      要：A new single-mode optoelectronic oscillator(OEO) with three coupled cavities is proposed and demonstrated. A Fabry-Perot(F-P) cavity fiber laser and an optical-electrical feedback branch are coupled together to construct an optoelectronic oscillator, where the F-P cavity fiber laser serves as a light source, and a modulator is placed in the laser cavity to implement reciprocating modulation, which simultaneously splits the laser cavity into two parts and forms a dual-loop configuration. To complete an optoelectronic oscillator, part of optical signal is output from the F-P cavity to implement the feedback modulation, which constructs the third cavity. Since only the oscillation signal satisfies the requirements of all the three cavities, a single-mode oscillation can be finally achieved. Three resonant cavities are successfully designed without adding more optoelectronic devices, and the side-modes can be well suppressed with low cost. The oscillation condition is theoretically analyzed. In the experimental demonstration, a 20 GHz single longitudinal mode microwave signal is successfully obtained.