Photonic Generation of a Tunable Dual-Chirp Microwave Waveform

A photonic-assisted tunable dual-chirp microwave waveform generator based on optical heterodyne detection is proposed and experimentally demonstrated. In the proposed scheme, a three-electrode dist…

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…

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…

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…

Widely Wavelength-Tunable Parity-Time Symmetric Single-Longitudinal-Mode Fibe…

A wavelength-tunable single-longitudinal-mode fiber ring laser based on parity-time (PT) symmetry for mode selection is proposed and experimentally demonstrated. The PT symmetry is implemented usin…

Frequency-Tunable Parity-Time-Symmetric Optoelectronic Oscillator Using a Pol…

A widely frequency-tunable parity-time (PT) symmetric optoelectronic oscillator (OEO) implemented based on a single polarization-dependent Sagnac loop is proposed and experimentally demonstrated. T…

Parity-Tome Symmetry in a Single-Loop Photonic System

Hybrid Frequency-Tunable Parity-Time Symmetric Optoelectronic Oscillator

An optoelectronic oscillator (OEO) is a microwave photonic system consisting of an amplified optoelectronic feedback loop to generate a microwave signal. To reduce the phase noise, the feedback loo…