Explanipedia

Impact of different pumping and signal schemes on amplification performance of erbium-doped Ga2O3 waveguides Open

Qi Cheng, Peng Chen, Zhe Long, Zheng Zhang, Shengchuang Bai , et al. · 2025

Mode solutions simulations are employed to optimize the waveguide structure to enhance light interaction with rare-earth ions. Subsequently, an Er 3+ :Ga 2 O 3 waveguide with an optimized structure is fabricated. The optical gain performan…

Silicon-Based On-Chip Light Sources: A Review Open

Yongqi Yang, Jiaqi Yang, Zhenxiang Cheng, Shuyan Zhang, Zhen Yang , et al. · 2025

Silicon-based on-chip light sources are important since they can provide a compact solution for various applications in the field of high-speed optical communications, high-precision sensing, quantum information processing, and so on. We r…

Ultra-high-Q chalcogenide glass on-chip resonators attaining internal impurity-limited loss in the mid-infrared Open

Daewon Suk, Kiyoung Ko, Rongping Wang, Xunsi Wang, Duk‐Yong Choi , et al. · 2025

High-Q on-chip resonators are essential for elevating the efficiency and performance of on-chip functional devices. However, achieving their loss performance that approaches the ultra-low loss of optical fiber in the mid-infrared region ha…

Femtosecond laser shock peening of ultra-thin-walled Ti-6Al-4V: study on surface integrity and high cycle fatigue mechanism Open

Rongping Wang, Xinbin Zhang, Peng He, Wenhe Wang, Wenhua Chen , et al. · 2025

Ultra-thin-walled structural components are widely used in aeroengines, but they are prone to high-cycle fatigue (HCF) failure due to cyclic alternating stresses during operation. While various surface treatment technologies have been deve…

High index-contrast GeSbSe chalcogenide waveguide for integrated nonlinear photonics Open

Zhen Yang, Zheng Zhang, Yu‐Sheng Lin, Minghui Jiang, Rongping Wang , et al. · 2025

We fabricated high-index-contrast GeSbSe nonlinear waveguides using electron beam lithography (EBL) and inductively coupled plasma (ICP) etching. In a 0.75 cm long waveguide, we observed self-phase modulation (SPM) with a maximum nonlinear…

Low-loss Ge-As-S glass fiber for high-power Er:YAG laser transmission and ablation Open

Xiaolin Liang, Yuyang Wang, Kai Jiao, Xiange wang, Weisheng Xu , et al. · 2025

Ge-based chalcogenide glass fibers exhibit a high damage threshold and exceptional water stability, making them an ideal material for transmitting Er: YAG laser beams. However, the problem of particle scattering in the current glass poses …

A mid-infrared Brillouin laser using ultra-high-Q on-chip resonators Open

Kiyoung Ko, Daewon Suk, Dohyeong Kim, Soobong Park, Betül Sen , et al. · 2025

Ultra-wide Band Gaps in Periodic Beams with Multi-acoustic Black Holes Indentations Open

Z. M. Xie, Fangwei Ye, Rongping Wang, Liling Tang · 2025

The acoustic black hole (ABH) effect can reduce structural vibrations by efficiently trapping flexural waves. Phononic crystals (Pcs) are artificial materials with a periodic structure that can create stopbands on the propagation of elasti…

Enhancing the Optical Performance of Mid-Infrared Chalcogenide Glass Through Liquid Coating Open

Keke Chen, Xiange Wang, Yuyang Wang, Kai Jiao, Wei Tang , et al. · 2025

Laser induced damage to optical component surfaces poses a critical challenge in the development of high-power laser systems. Such damage is typically influenced by its material host, defect distribution, laser parameters, and environmenta…

Erbium-doped tellurium oxide ridge waveguides for optical amplification Open

Jiaqi Yang, LONG Zhe, Wei Wang, Lei Niu, Rongping Wang · 2025

The rapid advancement of information technology has sparked an exponential demand for high-speed, large-capacity data transmission and processing. Traditional electronic communication systems face inherent limitations such as bandwidth con…

Liver transplantation and comprehensive rehabilitation in the reversal of hepatic myelopathy: a case report Open

Mingyue Liu, Rongping Wang, Wenwen Zhou, Tian Chun-yan, Qian Wang , et al. · 2024

Hepatic myelopathy (HM) is a rare complication of end-stage chronic liver disease, primarily presenting as symmetrical lower limb weakness that progresses to spastic paralysis without sensory or sphincter dysfunction. We report a case of d…

Er3+/Yb3+ Co-Doped Fluorotellurite Glass Fiber with Broadband Luminescence Open

Hepan Zhu, Weisheng Xu, Zhichao Fan, Shengchuang Bai, Peiqing Zhang , et al. · 2024

In order to address the ‘capacity crisis’ caused by the narrow bandwidth of the current C band and the demand for wide-spectrum sensing sources and tunable fiber lasers, a broadband luminescence covering the C + L bands using Er3+/Yb3+ co-…

Improving tension fatigue performance of gray cast iron by LSPwC-induced gradient structure and carbon diffusion Open

Shaopeng Meng, Yanqing Yu, Lingfeng Wang, Liucheng Zhou, Zichuan Yu , et al. · 2024

HT250 Gray cast iron (GCI) commonly utilized in diesel engine cylinders, is susceptible to fatigue failure under alternating stress conditions. To address this issue, the investigation involved the application of laser shock peening withou…

Lung tumor discrimination by deep neural network model CanDo via DNA methylation in bronchial lavage Open

Zeyuan Yu, Jieyi Li, Yi Deng, Chun Li, Maosong Ye , et al. · 2024

On-Chip Supercontinuum Generation Pumped by Short Wavelength Fiber Lasers Open

Peng Chen, Zhe Long, Qi Cheng, Maozhuang Song, Wei Wang , et al. · 2024

Supercontinuum (SC) generation pumped by fiber lasers with short wavelengths below 2.0 μm is important since it can provide a compact light source for various applications. We review the progress of SC generation in various materials regar…

Functional analysis of a novel intronic variant of MCPH1 with autosomal recessive primary microcephaly Open

Shulin Luo, Lingyan Ren, Rongping Wang, Jianxin Hu, Wei Wei , et al. · 2024

A mid-infrared Brillouin laser using ultra-high-Q on-chip resonators Open

Kiyoung Ko, Daewon Suk, Dohyeong Kim, Soobong Park, Betül Sen , et al. · 2024

Ultra-high-Q optical resonators have facilitated recent advancements in on-chip photonics by effectively harnessing nonlinear phenomena providing useful functionalities. While these breakthroughs, primarily focused on the near-infrared reg…

Mid-infrared seven-core chalcogenide fiber with ultra-large mode field area and high beam quality Open

Xiange Wang, Kai Jiao, Xiaolin Liang, Shengchuang Bai, Zheming Zhao , et al. · 2024

A seven-core chalcogenide fiber with an ultra-large mode field for mid-infrared range of 2.5–11 μ m is designed and fabricated. Through manipulation of the core radius and pitch in the seven-core configuration, we are engaged in a comprehe…

Broad Emission in Bi-Doped Gegase Chalcogenide Glass and Glass-Ceramic Open

Lei Qian, Wei Guo Wang, Rongping Wang · 2024

Purification of Er3+-Doped Fluorotellurite Glass with Low Hydroxyl Content Open

Zhichao Fan, Shuru Chen, Hepan Zhu, Shengchuang Bai, Shixun Dai , et al. · 2024

Exceeding Two Octave-Spanning Supercontinuum Generation in Integrated as 2 S 3 Waveguides Pumped by a 2 Μm Fiber Laser Open

Peipeng Xu, Peipei Zhao, Lei Yang, Kai Xia, Peilong Yang , et al. · 2024

Progresses of Mid-Infrared Glass Fiber for Laser Power Delivery Open

Xiaolin Liang, Kai Jiao, Xiange Wang, Yuze Wang, Yuyang Wang , et al. · 2023

High-power laser delivery in infrared optical fiber has received much attention due to the urgent needs in the fields of national defense security, biomedicine, advanced manufacturing, and so on. In recent decades, there has been extensive…

Design and fabrication of large-mode-area multicore chalcogenide fiber with low bending loss Open

Min Zhang, Ningzhe Li, Jinsheng Jia, Feng Xiao, Kai Jiao , et al. · 2023

Multicore fiber (MCF) has a larger mode-area (LMA) compared to traditional single-core fiber, making it easy to get a mode area of more than 3000 µm 2 with an optimized MCF structure. Here, a fine-structured 19-core fiber based on chalcoge…

Low-loss Ge-As-Se-Te fiber for high-intensity CO2 laser delivery Open

Feng Xiao, Weilu Sun, Xiaolin Liang, Jinsheng Jia, Min Zhang , et al. · 2023

High-purity Ge-As-Se-Te glasses have been well prepared via an effective double-distillation method. These glasses exhibit robust characteristics, withstanding input power levels as high as 12 W (68 kW/cm 2 ). Utilizing extrusion-based fab…

A simplified mid-infrared anti-resonant chalcogenide fiber with fewest resonant peaks Open

Xiange Wang, Kai Jiao, Zheming Zhao, Xiaolin Liang, Kai Xia , et al. · 2023

High-power laser delivery in the mid-infrared via hollow-core fibers is attractive, but it is too difficult to be fabricated using chalcogenide glasses. Here, we designed a mid-infrared hollow-core anti-resonant chalcogenide fiber (HC-ARCF…

Supercontinuum generation in As2S3 chalcogenide waveguide pumped by all-fiber structured dual-femtosecond solitons Open

Kai Xia, Zhen Yang, Peipei Zhao, Peilong Yang, Peipeng Xu , et al. · 2023

Supercontinuum sources with high compactness are essential for applications such as optical sensing, airborne detection and communication systems. In the past decades, the adoption of bulky optical parametric amplifier to pump various chal…

Photo-induced effects in Ge-Ga-Se films Open

Ziyang Zhang, Yehuan Sun, Zhi Yang, Tengxiu Wei, Jian Wu , et al. · 2023

We investigated photo-induced effects in Ge-Ga-Se films. It was found that, thermal annealing causes the increase of the bandgap in the as-prepared films, and all three annealed films show photodarkening (PD) behavior with light illuminati…

Insulation Properties and Degradation Mechanism for XLPE Subjected to Different Aging Periods Open

Qian Wang, Rui Liu, Sichen Qin, Xi Chen, Zicai Shen , et al. · 2023

Due to its excellent insulation and mechanical properties, cross-linked polyethylene (XLPE) is widely used as the insulation candidate of power cables in power transmission and distribution systems.However, its performance can be affected …

Optical damage and the third-order nonlinearity in GeGaS glasses Open

Tengxiu Wei, Z. Zhang, Zhiyong Yang, Yan Sheng, Rongping Wang · 2022

We have measured optical properties of GexGa4S96-x (x=22.5, 27, 30, 33.3 and 36) glasses including optical bandgap Eg, hardness, linear and nonlinear refractive index and laser damage threshold. We found that, both Eg and laser damage thre…

Athermal Chalcogenide Microresonator Cladded With Polymer Open

Zhen Yang, Zhiyuan Wang, Rizhen Zhang, Peipeng Xu, Wei Zhang , et al. · 2022

We proposed and demonstrated an athermal microring resonator in high index-contrast chalcogenide glass film GeSbSe with SU-8 cladding. Due to the negative thermo-optic coefficient of SU-8, we experimentally achieved near athermal behavior …

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