Phase Off-Axis Modulation Metasurface for Orbital Angular Momentum Mode Multi…

Orbital angular momentum (OAM) mode multiplexing provides a promising solution for enlarging communication capacity density. Although various OAM mode multiplexing technologies have been investigat…

Parametrically Tunable Mid-Infrared Resonant Radiation by Four-Wave Mixing in…

The direct generation of mid-infrared light is of significant interest for various applications including spectroscopy, detection system, optical sensing and biophotonics. Ultrashort-pulse nonlinea…

All-Optical Cross-Connection of Cylindrical Vector Beam Multiplexing Channels

The achievement of cylindrical vector beam (CVB) multiplexing has shown advantages in enlarging communication capacities and all-optical interconnections. While various mode transformation technolo…

Convolutional Neural Network to Identify Cylindrical Vector Beam Modes

Cylindrical vector beams (CVBs), which have spatial non-uniform polarization distributions, have gained considerable interest in optical communication owing to their orthogonal vector modes. Howeve…

Metasurface Based Optical Orbital Angular Momentum Multiplexing for 100 GHz R…

Optical vortex beams (VBs) carrying orbital angular momentum (OAM) have shown significant multiplexing ability in radio-over-fiber communication by virtue of their intrinsic mode orthogonality. How…

Broadband Structured Light Multiplexing With Dielectric Meta-Optics

Structured light beams (SLBs), mainly including vortex beams (VBs) and cylindrical vector beams (CVBs), have received significant attention in optical communications due to orthogonal orbital angul…

Detecting Orbital Angular Momentum Modes of Vortex Beams Using Feed-Forward N…

Convolutional Neural Network Based Atmospheric Turbulence Compensation for Op…

Atmospheric turbulence in free-space will distort the helical phase-front of vortex beams (VBs) and cause mode diffusion, seriously hindering the practical application of optical orbital angular mo…