Introduction to SPLM. - Robert A. Hokom; Alain Grebert; Fred Gerbstadt; Robert Bock (Computer, 1973)

Demonstration of OAM-based MIMO FSO link using spatial diversity and MIMO equalization for turbulence mitigation. - Yongxiong Ren; Zhe Wang 020; Guodong Xie; Long Li 001; Asher J. Willner; Yinwen Cao; Zhe Zhao 003; Yan Yan 010; Nisar Ahmed; Nima Ashrafi; Solyman Ashrafi; Robert Bock; et al. (OFC, 2016)

Experimental beam displacement tracking and correction of data-carrying orbital-angular-momentum beams in a free-space optical link. - Long Li 001; Runzhou Zhang; Guodong Xie; Yongxiong Ren; Zhe Zhao 003; Zhe Wang 020; Cong Liu 010; Haoqian Song; Kai Pang; Robert Bock; Moshe Tur; Alan E. Willner (OFC, 2017)

MIMO Equalization to Mitigate Turbulence in a 2-Channel 40-Gbit/s QPSK Free-Space Optical 100-m Round-Trip Orbital-Angular-Momentum-Multiplexed Link Between a Ground Station and a Retro-Reflecting UAV. - Long Li 001; Runzhou Zhang; Peicheng Liao; Yinwen Cao; Haoqian Song; Yifan Zhao; Jing Du 008; Zhe Zhao 003; Cong Liu 010; Kai Pang; Hao Song 006; Dmitry Starodubov; et al. (ECOC, 2018)

Effect of Limited Aperture Size on a Retro-reflected Communication Link Between a Ground Station and a UAV using Multiplexing of Orbital-Angular-Momentum Beams. - Long Li 001; Runzhou Zhang; Peicheng Liao; Hao Song 006; Kaiheng Zou; Guodong Xie; Zhe Zhao 003; Cong Liu 010; Haoqian Song; Kai Pang; Guillaume Labroille; Pu Jian; et al. (OFC, 2018)

Experimental Effect of Scattering on an 80-Gbit/s QPSK Wireless Link using 4 Orbital-Angular-Momentum Beams. - Runzhou Zhang; Long Li 001; Zhe Zhao 003; Guodong Xie; Peicheng Liao; Hao Song 006; Cong Liu 010; Haoqian Song; Kai Pang; Robert Bock; Moshe Tur; Alan E. Willner (OFC, 2018)

Demonstration of Both Mode and Space Diversity in a 100-Gbit/s QPSK Free-Space Optical Link to Increase System Tolerance to Turbulence. - Long Li 001; Haoqian Song; Runzhou Zhang; Zhe Zhao 003; Cong Liu 010; Kai Pang; Hao Song 006; Jing Du 008; Ari N. Willner; Ahmed Almaiman; Brittany Lynn; Robert Bock; et al. (OFC, 2019)

Demonstration of Enhanced Tolerance to Turbulence and Misalignment of a 10-Gbit/s QPSK Free-Space Optical Link by Utilizing Two Aperture Pairs Combined with Detecting Multiple Modes. - Haoqian Song; Long Li 001; Kai Pang; Runzhou Zhang; Kaiheng Zou; Zhe Zhao 003; Jing Du 008; Hao Song 006; Cong Liu 010; Yinwen Cao; Ari N. Willner; Robert Bock; et al. (OFC, 2019)

Experimental Mitigation of Atmospheric Turbulence Effect using Pre-Channel Combining Phase Patterns for Uni- and Bi-Directional Free-Space Optical Links with two 100-Gbit/s OAM-Multiplexed Channels. - Haoqian Song; Hao Song 006; Runzhou Zhang; Karapet Manukyan; Long Li 001; Zhe Zhao 003; Kai Pang; Cong Liu 010; Ahmed Almaiman; Robert Bock; Brittany Lynn; Moshe Tur; et al. (OFC, 2019)

Demonstration of a Tunable, Broadband Pixel-Array-based Photonic-Integrated-Circuit Receiver for Recovering Two 100-Gbit/s QPSK Orbital-Angular-Momentum Multiplexed Channels. - Hao Song 006; Huibin Zhou; Kaiheng Zou; Runzhou Zhang; Kai Pang; Haoqian Song; Xinzhou Su; Amir Minoofar; Nanzhe Hu; Cong Liu 010; Robert Bock; Brittany Lynn; et al. (OFC, 2021)

Experimental Demonstration of 0.4-meter Ranging Through Underwater Scattering with 20-mm Resolution Using z- dependent Angular Rotation of a Spatially Structured Beam. - Hao Song 006; Huibin Zhou; Yuxiang Duan; Zile Jiang; Muralekrishnan Ramakrishnan; Wing Ko; Yingning Wang; Xinzhou Su; Kaiheng Zou; Abdulrahman Alhaddad; Ruoyu Zeng; Robert Bock; et al. (OFC, 2023)

Experimental Demonstration of Underwater Optical Ranging with Enhanced Accuracy Under Scattering Conditions Using Multiple Bessel Modes. - Zile Jiang; Muralekrishnan Ramakrishnan; Huibin Zhou; Xinzhou Su; Yuxiang Duan; Hao Song 006; Ruoyu Zeng; Yingning Wang; Robert Bock; Moshe Tur; Alan E. Willner (OFC, 2024)

Demonstration of Combined Coarse and Fine Underwater Ranging Using Structured Light of Varying Longitudinal Wavenumbers for Enhanced Dynamic Range and Accuracy. - Yuxiang Duan; Yingning Wang; Huibin Zhou; Zile Jiang; Muralekrishnan Ramakrishnan; Zixun Zhao; Ruoyu Zeng; Yue Zuo; Hongkun Lian; Xinzhou Su; Robert Bock; Moshe Tur; et al. (OFC, 2025)