Highly Dispersive Optical Fiber for Orbital Angular Momentum Modes
Orbital angular momentum (OAM) modes, featured by the unique properties of the helical phase front and annular intensity profile, have shown enormous potential for a wide range of applications. Opt…
OAM-SDM Solution Toward a Submarine Cable
Determining how to add more signal channels without enlarging the cable volume is continually an issue in managing submarine cables. To improve the cost per bit and the power efficiency, space divi…
Deep Hierarchical Representation of Point Cloud Videos via Spatio-Temporal De…
In point cloud videos, point coordinates are irregular and unordered but point timestamps exhibit regularities and order. Grid-based networks for conventional video processing cannot be directly us…
High-Resolution Optical Fiber Strain Sensor Array Based on Pound-Drever-Hall …
Sensors that use Pound-Drever-Hall (PDH) technology benefit from the good performance and high resolution but are in shortage of large-scale multiplexing. This paper proposed a fast phase regulatio…
A Biomimetic Optical Skin for Multimodal Tactile Perception Based on Optical …
Tactile sensation is one of the critical ways humans perceive the world and is fundamental for the interaction with the surroundings. The development of haptic sensors can enable us to extend and t…
Flexible Wearable Optical Sensor Based on Optical Microfiber Bragg Grating
Wearable sensing devices, which can find tremendous applications in healthcare and automation, are attracting great attention in recent years. Herein, we report a flexible wearable optical sensor (…
A New Perfectly Matched Layer Method for the Helmholtz Equation in Nonconvex …
A new coupled perfectly matched layer (PML) method is proposed for the Helmholtz equation in the whole space with inhomogeneity concentrated on a nonconvex domain. Rigorous analysis is presented fo…
Inverse Source Problem for Acoustically-Modulated Electromagnetic Waves
We propose a method to reconstruct the electrical current density from acoustically-modulated boundary measurements of time-harmonic electromagnetic fields. We show that the current can be uniquely…
Recurrent Neural Network Based Joint Equalization and Decoding Method for Tre…
In this paper, a joint equalization and decoding method based on recurrent neural networks (RNNs) is proposed for trellis coded modulation (TCM) systems. For traditional methods based on concatenat…
Dual-FBG and F-P Cavity Compound Optical Fiber Sensor for Simultaneous Measur…
A dual-FBG and F-P cavity compound optical fiber sensor based on a multi-core fiber (MCF) is proposed. A hollow core fiber (HCF) was fused between a single-mode fiber (SMF) and a MCF to form the F-…
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