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…
Amplification and Transmission System With Matching Multi-Layer Ion-Doped FM-…
System stability and robustness are highly desired in a mode division multiplexing (MDM) transmission system. The matching of the active fiber and transmission FMF effectively reduces the transmiss…
High-Speed Photodetector With Simultaneous Electrical Power Generation
We demonstrate a novel 850 nm high-speed photodetector for simultaneous high-speed data acquisition and electrical power generation from the optical signal. The device is based on GaAs/AlGaAs modif…
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…
High-Precision Mode Decomposition for Few-Mode Fibers Based on Multi-Task Dee…
A novel mode decomposition (MD) method based on multi-task learning (MTL) is proposed to obtain high-precision modal weights ( ρn2 ) and modal relative phases ( θn ). Due to the different physica…
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…
A Novel Fiber Intrusion Signal Recognition Method for OFPS Based on SCN With …
Accurate and fast recognition of fiber intrusion signals has always been a fundamental task in the Optical Fiber Pre-warning System (OFPS). However, currently existing recognition models tend to fo…
Object Detection from Scratch with Deep Supervision
In this paper, we propose Deeply Supervised Object Detectors (DSOD), an object detection framework that can be trained from scratch. Recent advances in object detection heavily depend on the off-th…
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