Stable coherent dual comb generator with dual-heterodyne phase error transfer and heterodyne optical phase-locked loop

被引:0
|
作者
Tong, Yitian [1 ]
Liu, Zhangweiyi [1 ]
Li, Baiyu [1 ]
Zhou, Qian [1 ]
Dong, Yi [1 ]
Hu, Weisheng [1 ]
机构
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
关键词
optical frequency comb; dual-comb; phase locked loop; MODULATED LASER; MILLIMETER; STABILITY;
D O I
10.1117/12.2195291
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We demonstrate a stable coherent dual comb generator with two phase/intensity-modulated combs. The optical fiber path induced phase fluctuation results in the coherent dual comb beating phase noise. We transfer this phase noise to a 40MHz intermediate frequency with dual-heterodyne phase error transfer, decreasing by a phase-locked loop and optical phase locked loop. Under the scheme, stable coherent dual comb with slightly different repetition rates and offset frequency is generated.
引用
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页数:5
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