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Rapidly tunable millimeter-wave optical transmitter for lidar-radar

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4 Author(s)
Yifei Li ; Center for Microwave-Lightwave Eng., Drexel Univ., Philadelphia, PA, USA ; A. J. C. Vieira ; S. M. Goldwasser ; P. R. Herczfeld

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:LiNbO 3 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

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:49 ,  Issue: 10 )