Amplification technology for spatial division multiplexing signals transmitted using multicore fibres by Hitoshi Takeshita

“…The multicore erbium‐doped fibre amplifier (MC‐EDFA) architecture is classified from the viewpoint of the number of erbium‐doped fibre (EDF) cores and its pumping method. Core pumped MC‐EDFA is more compatible with the conventional single‐core fibre (SCF)‐ based system and more mature than cladding pumped MC‐EDFA. …”
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Design and Modeling of a Photonic Crystal Multiplexer Using Artificial Intelligence by P. Karami, S. I. Yahya, B. Palash, M. A. Chaudhary, M. Assaad, F. Parandin, S. Roshani, F. Hazzazi, S. Roshani

“… In this paper, design and modeling of an all-optical 2×1 multiplexer based on 2D photonic crystals and artificial neural networks (ANNs) are presented. …”
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Flexible All-Optical Remote Frequency Conversion of 5G Signals to FR1 and FR2 Bands Employing an Optical Comb and Multi-Core Fiber for Next-Generation C-RAN Fronthaul by Vicente Fito, Maria Morant, Roberto Llorente

“…The EVM fluctuation is measured for different configurations, using one or two modulated optical carriers. …”
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Green hydrothermal synthesis of titanium dioxide and estimation of some of its microscopic and optical properties by Md. Kawsar, Md. Sahadat Hossain, Muhammad Shahriar Bashar, Md. Farhad Ali, Newaz Mohammed Bahadur, Samina Ahmed

“…In this study, TiO2 (Anatase) was synthesized from plant leaves like Aloe vera, Azadirachta indica, and Psidium guajava by hydrothermal method. The generated anatase was analyzed using various characterization methods, which include Thermogravimetric Analysis, X-ray Diffraction, Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy, and Ultraviolet–Visible Spectroscopy. …”
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Studying the effect of annealing on some electrical and optical properties for thin CdS , CdS:In films by Baghdad Science Journal

“…In the present work we prepared heterojunction not homogenous CdS/:In/Cu2S) by spray and displacement methods on glass substrate , CdS:In films prepared by different impurities constration. …”
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Spatiotemporal Interactive Learning for Cloud Removal Based on Multi-Temporal SAR–Optical Images by Chenrui Xu, Zhenfei Wang, Liang Chen, Xiangchao Meng

“…However, existing cloud removal methods face the following key challenges: insufficient utilization of spatiotemporal information in multi-temporal data, and fusion challenges arising from fundamentally different imaging mechanisms between optical and SAR images. …”
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Electro-optic and intensity-based terahertz peak field evaluation: comparison, challenges and perspectives by X Ropagnol, C M Garcia-Rosas, H Uchida, F Blanchard, T Ozaki

“…The first method evaluates the peak field directly from the phase variation in the polarization state of an optical probe laser pulse induced by the THz field via the electro-optic effect. …”
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Optimized Liveness Detection for Fast and Accurate Fingerprint Anti-Spoofing With Optical Coherence Tomography by Yilong Zhang, Heyou Yu, Haohao Sun, Yongbo Yao, Haixia Wang, Jian Liu, Yuanjie Dang, Ronghua Liang, Peng Chen

“…In addition, this paper presents a comprehensive mathematical model that enables various types of OCT devices to calculate the optimal anti-counterfeiting parameters under different conditions. The experimental results show that this method can substantially improve the accuracy and real-time performance of anti-spoofing, and applies to various types of OCT systems, has a promising application in fingerprint identification and other medical diagnostic fields.…”
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Alertness assessment by optical stimulation-induced brainwave entrainment through machine learning classification by Yong Zhou, Yizhou Tan, Shasha Wang, Hanshu Cai, Ying Gu

“…Currently, there is an urgent need for a rapid, quantifiable, and easily implementable alertness assessment method. Methods Twelve optical stimulation frequencies ranged from 4 to 48 Hz were chosen to induce brainwave entrainment (BWE) for 30 s, respectively, in 40 subjects. …”
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Supramolecular organization and optical properties of nanoscale and microscale films of an anisometric europium(III) complex by A.A. Knyazev, R.M. Ziyatdinova, A.S. Krupin, A.T. Gubaidullin, Yu.G. Galyametdinov

“…An anisometric Eu(III) complex was used to produce nanoscale and microscale films by three different methods. These films demonstrated considerable differences in their supramolecular organization and optical properties. …”
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Determination of Uranium, Thorium and Potassium for Optically Stimulated Luminescence Dating by ICP-MS and XRF by Na WANG, Lei WU, Jiasong WANG, Yang YU, Jiangping ZENG, Yongsheng CHEN, Fu WANG

“…The commonly used measurement method is the combination of inductively coupled plasma-mass spectrometry/optical emission spectroscopy (ICP-MS/OES), but the determination of uranium, thorium and potassium can not be done at the same time, and the measurement time is long. …”
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Еstimation of Therapeutic Effect of Endonasal Electrophorosis with Methylethylpyridinol in Partial Optic Nerve Atrophy by A. M. Razumovskaya, M. I. Razumovsky, Yu. A. Koroviansky, E. S. Razumovsky

“…Purpose: to evaluate the therapeutic effect of the drug Emoxypin administered by the method of endonasal electrophoresis to patients with partial atrophy of the optic nerve (PAON).Patients and methods. …”
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Offshore Optical-wireless Integrated Access Network Deployment Algorithm based on MHA-MAD by LI Xuehua, XI Tong, WANG Xin, HUANG Xiang

“…There is an urgent need to optimize network deployment strategies to reduce costs, risks, and transmission losses in order to build a network that is suitable for the offshore environment.【Methods】This study proposes a Multi-Head Attention enhanced Multi-Agent Deep Q-Network (MHA-MAD) algorithm. …”
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Optical, Electrical and Raman Properties of Annealed Hydrogenated Mg/Co Bilayer Thin Films by M. Singh, S.P. Nehra, M.K. Jangid

“…Bilayer Mg/Co thin films prepared using thermal evaporation method at pressure 10 – 5 torr at room temperature. …”
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Study of Characteristics of Vortex Beam Produced by Fabricated Spiral Phase Plates by Jiazhou Wang, Axiu Cao, Man Zhang, Hui Pang, Song Hu, Yongqi Fu, Lifang Shi, Qiling Deng

“…The results show that the SPPs have good surface quality and excellent optical effects. Compared with the other generation methods for vortex beam, this method is particularly suitable for obtaining a vortex beam with high efficiency and continuous phase and is extremely promoting R&D of the corresponding applications.…”
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CME Velocity Field Calculation Model Based on an Unsupervised Transformer Optical Flow Network by Qingyang Chen, Hong Lin, Zhenping Qiang, Hui Liu, Kaifan Ji, Zhenhong Shang

“…The optical flow algorithm (OF) is one the main methods for calculating image velocity field and has many applications in space weather. …”
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Single-Shot Optical Multiple-Image Encryption Based on Polarization-Resolved Diffractive Imaging by Xiaoliang He, Hua Tao, Lijuan Zhang, Xiaodong Yuan, Cheng Liu, Jianqiang Zhu

“…A new method for optical multiple-image encryption based on polarization-resolved diffraction imaging is proposed in this study. …”
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Classification of Material Type from Optical Coherence Tomography Images Using Deep Learning by Metin Sabuncu, Hakan Ozdemir

“…This traditional method is destructive, tedious, and slow since it involves cutting, burning, and examining the yarn of the fabric. …”
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Integrated Spectral Sensitivity as Physics-Based Figure of Merit for Spectral Transducers in Optical Sensing by Felix L. McCluskey, Anne van Klinken, Andrea Fiore

“…We apply this analysis to two different examples of transducers. The results bring useful insights into the design of optical sensors.…”
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End-View Image Processing Based Angle Alignment Techniques for Specialty Optical Fibers by Li Shen, Lin Gan, Zhuoran Dong, Borui Li, Deming Liu, Songnian Fu, Weijun Tong, Ming Tang

“…The other one is based on the self-correlation method. Two fibers with different refractive index profiles in the fusion splicer can be rotated to preset angles independently with high precision. …”
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