A Nature paper “A universal 3D imaging sensor on a silicon photonics platform” by Christopher Rogers, Alexander Y. Piggott, David J. Thomson, Robert F. Wiser, Ion E. Opris, Steven A. Fortune, Andrew J. Compston, Alexander Gondarenko, Fanfan Meng, Xia Chen, Graham T. Reed & Remus Nicolaescu from San Francisco-based Pointcloud Inc. and UK University of Southampton appears to be a minor version of their Arxiv.org paper published in August 2020.