Abstract

Bandwidth efficient coherent lidar based on phase-diversity detection is reported for the first time, to the best of our knowledge, which allows the doubling of bandwidth efficiency through the simultaneous utilization of the in-phase ($I$) and quadrature ($Q$) components. By maintaining RF phase continuity between linearly frequency-chirped $I$ and $Q$ components through digital signal processing, the range resolution of the lidar system can be improved.

© 2015 Optical Society of America

Complex-optical-field lidar system for range and vector velocity measurement

Shuang Gao, Maurice O’Sullivan, and Rongqing Hui
Opt. Express 20(23) 25867-25875 (2012)

Linear frequency-modulated continuous-wave ladar system for synthetic aperture imaging

Guangzuo Li, Ran Wang, Ziqi Song, Keshu Zhang, Yirong Wu, and Jie Pan
Appl. Opt. 56(12) 3257-3262 (2017)

A reconfigurable all-fiber polarization-diversity coherent Doppler lidar: principles and numerical simulations

Cyrus F. Abari, Xinzhao Chu, R. Michael Hardesty, and Jakob Mann
Appl. Opt. 54(30) 8999-9009 (2015)

Subcarrier modulation based phase-coded coherent lidar

Anpeng Song, Kai Jin, Chen Xu, Jian Li, Youming Guo, and Kai Wei
Opt. Express 32(1) 52-61 (2024)

Ultrawideband coherent noise lidar range-Doppler imaging and signal processing by use of spatial-spectral holography in inhomogeneously broadened absorbers

Youzhi Li, Alan Hoskins, Friso Schlottau, Kelvin H. Wagner, Carl Embry, and William Randall Babbitt
Appl. Opt. 45(25) 6409-6420 (2006)