Rapidly tunable millimeter-wave optical transmitter for lidar-radar

被引:34
作者
Li, YF [1 ]
Vieira, AJC
Goldwasser, SM
Herczfeld, PR
机构
[1] Drexel Univ, Ctr Microwave Lightwave Engn, Philadelphia, PA 19104 USA
[2] Motorola Broadband Commun Sector, Adv Photon Technol Grp, Horsham, PA 19044 USA
关键词
electrooptic modulation; fiber radio; frequency-chirped lidar-radar; microchip laser; optical heterodyning;
D O I
10.1109/22.954829
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
This paper reports on the optical generation of a rapidly tunable millimeter-wave subcarrier for lidar-radar. The millimeter-wave signal is generated by beating the output from two Nd:YVO4/MgO:LiNbO3 electrooptical monomode microchip laser sections realized monolithically in a single composite crystal. The device has a continuous tuning range up to 45 GHz. The measured chirp rate is 3816 THz/s, the voltage sensitivity is 10.6 MHz/V, and the measured residual phase noise is -106 dBc/Hz at 10-kHz offset.
引用
收藏
页码:2048 / 2054
页数:7
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