Abstract

An innovative and effective architecture for lidar systems is presented and experimentally demonstrated. The proposed scheme can also be easily exploited for optical communications. In particular, the system includes an innovative lidar software-defined architecture based on optically coherent detection, overcoming current drawbacks of time of flight incoherent systems. The experiments demonstrate the ability to perform long range detection resorting to the waveform compression on the continuous wave approach, obtaining a range resolution of 15 cm with a sensitivity of 95  dBm. Beside the bulk implementation, the system has been also implemented in a photonic integrated circuit using complementary metal–oxide–semiconductor-compatible silicon on insulator technology with an extremely reduced footprint of 1.5  mm×3.5  mm. The testing of the integrated device confirms the effectiveness of this proof-of-concept realization.

© 2017 Optical Society of America

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