Dividing and multiplying the mode order for orbital-angular-momentum beams. - Zhe Zhao 003; Yongxiong Ren; Guodong Xie; Long Li 001; Yan Yan 010; Nisar Ahmed; Zhe Wang 020; Nima Ashrafi; Solyman Ashrafi; Roger D. Linquist; Alan E. Willner (ECOC, 2015)

Exploiting the unique intensity gradient of an orbital-angular-momentum beam for accurate receiver alignment monitoring in a free-space communication link. - Guodong Xie; Long Li 001; Yongxiong Ren; Yan Yan 010; Nisar Ahmed; Zhe Zhao 003; Zhe Wang 020; Nima Ashrafi; Solyman Ashrafi; Roger D. Linquist; Alan E. Willner (ECOC, 2015)

Performance enhancement of an orbital-angular-momentum-based free-space optical communication link through beam divergence controlling. - Long Li 001; Guodong Xie; Yongxiong Ren; Nisar Ahmed; Hao Huang 002; Zhe Zhao 003; Peicheng Liao; Martin P. J. Lavery; Yan Yan 010; Changjing Bao; Zhe Wang 020; Nima Ashrafi; et al. (OFC, 2015)

400-Gbit/s free-space optical communications link over 120-meter using multiplexing of 4 collocated orbital-angular-momentum beams. - Yongxiong Ren; Zhe Wang 020; Peicheng Liao; Long Li 001; Guodong Xie; Hao Huang 002; Zhe Zhao 003; Yan Yan 010; Nisar Ahmed; Martin P. J. Lavery; Nima Ashrafi; Solyman Ashrafi; et al. (OFC, 2015)

OFDM over mm-Wave OAM Channels in a Multipath Environment with Intersymbol Interference. - Yan Yan 010; Long Li 001; Guodong Xie; Morteza Ziyadi; Amirhossein M. Ariaei; Yongxiong Ren; Olivier Renaudin; Zhe Zhao 003; Zhe Wang 020; Cong Liu 010; Soji Sajuyigbe; Shilpa Talwar; et al. (GLOBECOM, 2016)

Tunable generation and angular steering of a millimeter-wave orbital-angular-momentum beam using differential time delays in a circular antenna array. - Guodong Xie; Yan Yan 010; Zhe Zhao 003; Long Li 001; Yongxiong Ren; Nisar Ahmed; Asher J. Willner; Changjing Bao; Zhe Wang 020; Cong Liu 010; Nima Ashrafi; Solyman Ashrafi; et al. (ICC, 2016)

32-Gbit/s 60-GHz millimeter-wave wireless communication using orbital angular momentum and polarization multiplexing. - Yan Yan 010; Long Li 001; Zhe Zhao 003; Guodong Xie; Zhe Wang 020; Yongxiong Ren; Nisar Ahmed; Soji Sajuyigbe; Shilpa Talwar; Moshe Tur; Nima Ashrafi; Solyman Ashrafi; et al. (ICC, 2016)

A dual-channel 60 GHz communications link using patch antenna arrays to generate data-carrying orbital-angular-momentum beams. - Zhe Zhao 003; Yan Yan 010; Long Li 001; Guodong Xie; Yongxiong Ren; Nisar Ahmed; Zhe Wang 020; Cong Liu 010; Asher J. Willner; Pingyue Song; Hossein Hashemi 001; Haohan Yao; et al. (ICC, 2016)

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)

Performance of Using Antenna Arrays to Generate and Receive mm-Wave Orbital-Angular-Momentum Beams. - Zhe Zhao 003; Guodong Xie; Long Li 001; Haoqian Song; Cong Liu 010; Kai Pang; Runzhou Zhang; Changjing Bao; Zhe Wang 020; Soji Sajuyigbe; Shilpa Talwar; Hosein Nikopour; et al. (GLOBECOM, 2017)

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)