Explanipedia

Collective Excitonic Assembly in Perovskite Superlattice Open

Jiqing Tan, Di Sun, Chun Zhou, Xinjie Li, Yichi Zhong , et al. · 2025

Perovskites exhibit remarkable attributes that make them highly suitable for photovoltaics and multiparameter optical emitters. These benefits arise from their high oscillator strength, excellent solar absorption, and superior charge trans…

Pressure-Induced Emission in Layered Indium Double Perovskites by Synergistically Manipulating Exciton Excitation and Recombination Dynamics Open

Long Zhang, Lin Xiong, Huaiyang Sun, Yuanyuan Fang, Kai Wang , et al. · 2024

Visual analysis of obesity and hypothyroidism: A bibliometric analysis Open

Lanying Yao, Long Zhang, Yuxing Tai, Rongsheng Jiang, Jianzhong Cui , et al. · 2024

Background: The prevalence of obesity is gradually increasing and is closely associated with hypothyroidism. It is of research interest to explore the association between obesity and hypothyroidism and the current status of research. Metho…

MAT-IGA: A Deadline and Priority-Aware Task Offloading Method in Resource-Constrained Vehicular Networks Open

Long Zhang, Rui Cao, Lei Wei, Yazhou Wang, Zengye Xie , et al. · 2024

With the developments of the intelligent vehicles, the most significant contradiction is coming to the limited computing resource and the unlimited requirements. Task offloading has been proposed to overcome this. Most of the existing task…

Mutual Information Optimization With PAPR Reduction for MISO-OFDM UWOC Through Probabilistic Shaping and Precoding Open

Liyan Zhang, Sihui Zheng, Fan Yang, Long Zhang, Rui Jiang , et al. · 2024

As a promising alternative to traditional underwater communication methods, underwater wireless optical communication (UWOC) offers higher data rates, lower latency, and enhanced security. However, the practical implementation of high-spee…

Optical Design Method of Czerny-Turner Spectrometer Based on Generalized Coddington's Equations Open

Guo Xia, Yanduo Li, Qingfa Pan, Zhiwei Feng, Long Zhang , et al. · 2023

Effect of Ion Migration on Lead Halide Perovskite on Visible Light Communication System Open

Haocheng Tang, Yichi Zhong, Jingzhou Li, Luyang Hou, Xizhe Liang , et al. · 2023

Performance Estimation and Selection Guideline of SiPM Chip within SiPM-Based OFDM-OWC System Open

Long Zhang, Rui Jiang, Xinke Tang, Zhen Chen, Zhong‐Yi Li , et al. · 2022

The orthogonal frequency division multiplexing (OFDM), which has high spectral efficiency, is an attractive solution for silicon photomultiplier (SiPM)-based optical wireless communication (OWC) systems to boost data rates. However, the cu…

A Simplified Post Equalizer for Mitigating the Nonlinear Distortion in SiPM Based OFDM-VLC System Open

Long Zhang, Rui Jiang, Xinke Tang, Zhen Chen, Juan Chen , et al. · 2021

The silicon photomultiplier (SiPM) based orthogonal frequency division multiplexing (OFDM) system is a promising solution to realize both the longer distance and higher data rate in visible light communication (VLC). However, it suffers fr…

Towards underwater coherent optical wireless communications using a simplified detection scheme Open

Xinke Tang, Rupesh Kumar, Caiming Sun, Long Zhang, Zhen Chen , et al. · 2021

In this paper, an effective method of underwater coherent optical wireless communication (UCOWC) with a simplified detection scheme is proposed. The proof-of-concept experiments with M-ary PSK have been conducted with a common laser used f…

Over 10 attenuation length gigabits per second underwater wireless optical communication using a silicon photomultiplier (SiPM) based receiver Open

Long Zhang, Xinke Tang, Caiming Sun, Zhen Chen, Zhong‐Yi Li , et al. · 2020

Underwater wireless optical communication (UWOC) will play an important role in the underwater environment exploration and marine resource development due to its advantages of high data rate and good mobility. However, the significant sign…

Underwater Wireless Optical Communication Based on DPSK Modulation and Silicon Photomultiplier Open

Xinke Tang, Long Zhang, Caiming Sun, Zhen Chen, Hongjie Wang , et al. · 2020

In this paper, a promising phase-modulated underwater wireless optical communication (UWOC) system with silicon photomultiplier (SiPM) based receiver is proposed for the first time and its feasibility has been experimentally demonstrated i…

Deep Learning Aided Signal Detection for SPAD-Based Underwater Optical Wireless Communications Open

Rui Jiang, Caiming Sun, Long Zhang, Xinke Tang, Hongjie Wang , et al. · 2020

In underwater optical wireless communication (UOWC) systems, using single photon avalanche photondiode (SPAD) as the detector can improve the transmission distance. However, the signal detection for SPAD-based systems is greatly challenged…

Online digital offset mismatch compensation for high-speed time-interleaved ADC in real-time optical OFDM receiver Open

Ming Chen, Gang Liu, Long Zhang, Hui Zhou, Qinghui Chen · 2019

The time-interleaved analog-to-digital converter (TI-ADC) is a good option to realize high-speed data conversion for both single-carrier and multi-carrier optical communication systems. Offset mismatch is one of its drawbacks, which causes…

A Comparison of APD- and SPAD-Based Receivers for Visible Light Communications Open

Long Zhang, Danial Chitnis, Hyunchae Chun, Sujan Rajbhandari, Grahame Faulkner , et al. · 2018

Visible light communications is an alternative method of indoor wireless communications that requires sensitive receivers. Ideally, single photon avalanche detectors (SPADs) could be used to create more sensitive receivers. However, the de…

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