物理学报Issue(24)：1-8,8.DOI:10.7498/aps.63.244204
基于次谐波调制光注入半导体激光器获取窄线宽微波信号的实验研究∗
Acquiring narrow linewidth microwave signals based on an optical injection semiconductor laser under subharmonic microwave mo dulation
摘要
Abstract
The performances of microwave signals generated by an optically injected semiconductor laser operated at the period-one (P1) oscillation under 1/2 subharmonic microwave modulation, are investigated experimentally. The experimental results show that under suitable injection condition, the microwave signal output from an optically injected semiconductor operated at P1 oscillation can reach a frequency of 26.5 GHz limited to the experimental conditions and may have a single sideband optical spectrum structure, but the linewidth of the microwave signal is relatively wide (on the order of MHz). After adopting 1/2 subharmonic locking technique, the linewidth of the obtained microwave signal can be reduced from tens of MHz to tens of kHz. Furthermore, we analyze the influences of the power and frequency of the subharmonic microwave on the phase noise of the generated microwave signals, and further map the subharmonic microwave locking region in the parameter space of the power and frequency of the subharmonic microwave.关键词
光注入半导体激光器/单周期(P1)振荡/光生微波/次谐波调制Key words
optically injected semiconductor laser/period-one (P1) oscillation/photonic microwave generation/subharmonic microwave modulation引用本文复制引用
毛嵩,吴正茂,樊利,杨海波,赵茂戎,夏光琼..基于次谐波调制光注入半导体激光器获取窄线宽微波信号的实验研究∗[J].物理学报,2014,(24):1-8,8.基金项目
国家自然科学基金(批准号:61178011,61275116,61475127)、重庆市自然科学基金(批准号:2012jjB40011)和东南大学毫米波国家重点实验室开放课题(批准号：K201418)资助的课题.@@@@* Project supported by the National Natural Science Foundation of China (Grant Nos.61178011,61275116,61475127), the Natural Science Foundation of Chongqing City, China (Grant No.2012jjB40011), and the Open Research Program of State Key Laboratory of Millimeter Waves of Southeast University, China (Grant No. K201418) （批准号:61178011,61275116,61475127）
