Microwave Signal Generation From a Dual-Wavelength Single-Frequency Highly Er3+/Yb3+ Co-Doped Phosphate Fiber Laser

被引：27
作者：
Mo, Shupei [1 ,2 ]
Feng, Zhouming [1 ,2 ]
Xu, Shanhui [1 ,2 ]
Zhang, Weinan [1 ,2 ]
Chen, Dongdan [1 ,2 ]
Yang, Tong [1 ,2 ]
Fan, Wei [1 ,2 ]
Li, Can [1 ,2 ]
Yang, Changsheng [1 ,2 ]
Yang, Zhongmin [1 ,2 ,3 ]
机构：
[1] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
[2] S China Univ Technol, Inst Opt Commun Mat, Guangzhou 510640, Guangdong, Peoples R China
[3] Special Glass Fiber & Device Engn Technol Res & D, Guangzhou 510640, Guangdong, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2013年 / 5卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Fiber lasers; microwave photonics; RING LASER; PHOTONIC GENERATION; LINEAR CAVITY; POLARIZATION;
D O I：
10.1109/JPHOT.2013.2290005
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：
Narrow linewidth microwave signals generated from a heterodyne detection configuration of a dual-wavelength (DW) single-frequency highly Er3+/Yb3+ co-doped phosphate fiber laser is presented. The oscillating cavity of the fiber laser consists of a dual-channel narrow-band fiber-Bragg-grating (DC-NB-FBG), a 0.7-cm-long Er3+/Yb3+ co-doped phosphate fiber and a wideband FBG (WB-FBG). The wavelength selecting gratings are spatially separated to create partially separated resonant cavities. Highly Er3+/Yb3+ codoped phosphate fiber ensures that the mode competition is relatively weak under low pump power. DW single-frequency lasing with laser linewidths of < 3 kHz is achieved. A 12.014-GHz microwave signal with a 3-dB linewidth of < 3 kHz is obtained from the heterodyne detection of the DW fiber laser.
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页数：6
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