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Reliability of Electronic Connections in Fast Chargers of Electric Vehicle 1

Reliability of Electronic Connections in Fast Chargers of El...

1st International Conference on Advances in computer Science, electrical, Electronics, and Communication Technologies, CE2CT 2025

作者： Semwal, Priyanka Raturi Ekatpure, Shubham Rajendra Sharma, Merlyn Singh, Neelima Kumar, Anil Pandey, Bhumika Tula's Institute Dehradun Department of Electrical & Electronics Engineering Dehradun India Global Supply Chain in Semiconductor Manufacturing Kulicke and Soffa PA United States IIMT College of Engineering Department of ASH UP Grater Noida India Uttaranchal University Department of Computer Science and Engineering Dehradun India Physics Bharati Vidyapeeth's College of Engineering Dept. of Applied Science New Delhi India Bipin Tripathi Kumaon Institute of Technology Department of ECE Almora Dwarahat India

ISBN: (纸本)9798331518578

Global mobility is undergoing a dramatic change as cars fuelled by fossil fuels give way to those with zero or extremely low tailpipe emissions. Every one of the parts in big battery packs normally don't have similar properties and may corrupt essentially in view of assembling fluctuation and different elements. The performance and economics of the entire battery pack are impacted by the increased power waste from degraded battery modules. Additionally, the influence changes depending on the trip pattern. A variety of important factors, such as the age of the car, the internal resistance of the lithium-ion battery pack, awareness of grid energy pricing, and the distance driven, affect how much an electric vehicle (EV) costs to drive every day. It has used the grid's energy price data to optimise the cost of the typical driving cycle. Accurately forecasting battery behaviour reliability for the daily driving cycle is the aim of this project. The driver will be able to determine the best charging schedules, driving energy consumption, and excess battery energy with the aid of the reliability battery behaviour forecast. The driver can reduce the cost of travel both daily and over the battery's lifespan by having a previous understanding of the battery's behaviour, the grid's energy pricing, and the trip's duration. © 2025 IEEE.

关键词： Lithium-ion batteries

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Imaging atomic-scale chemistry from fused multi-modal electron microscopy

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npj Computational Materials 2022年第1期8卷 164-171页

作者： Jonathan Schwartz Zichao Wendy Di Yi Jiang Alyssa J.Fielitz Don-Hyung Ha Sanjaya D.Perera Ismail El Baggari Richard D.Robinson Jeffrey A.Fessler Colin Ophus Steve Rozeveld Robert Hovden Department of Materials Science and Engineering University of MichiganAnn ArborMIUSA Mathematics and Computer Science Division Argonne National LaboratoryLemontILUSA Advanced Photon Source Facility Argonne National LaboratoryLemontILUSA Dow Chemical Co. MidlandMIUSA Department of Material Science and Engineering Cornell UniversityIthacaNew YorkUSA School of Integrative Engineering Chung-Ang UniversitySeoulRepublic of Korea Department of Physics Cornell UniversityIthacaNYUSA The Rowland Institute at Harvard CambridgeMAUSA Department of Electrical Engineering and Computer Science University of MichiganAnn ArborMIUSA National Center for Electron Microscopy Lawrence Berkeley National LaboratoryMolecular FoundryBerkeleyCAUSA Applied Physics Program University of MIchiganAnn ArborMIUnited States

Efforts to map atomic-scale chemistry at low doses with minimal noise using electron microscopes are fundamentally limited by inelastic ***,fused multi-modal electron microscopy offers high signal-to-noise ratio(SNR)recovery of material chemistry at nano-and atomic-resolution by coupling correlated information encoded within both elastic scattering(high-angle annular dark-field(HAADF))and inelastic spectroscopic signals(electron energy loss(EELS)or energy-dispersive x-ray(EDX)).By linking these simultaneously acquired signals,or modalities,the chemical distribution within nanomaterials can be imaged at significantly lower doses with existing detector *** many cases,the dose requirements can be reduced by over one order of *** high SNR recovery of chemistry is tested against simulated and experimental atomic resolution data of heterogeneous nanomaterials.

关键词： materials chemistry fused

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Ultrafast Negative Diffusion in gold films

Ultrafast Negative Diffusion in gold films

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CLEO: Fundamental Science, CLEO:FS 2024 - Part of Conference on Lasers and Electro-Optics, CLEO 2024

作者： Block, A. Yu, R. Un, I.W. Varghese, S. Liebel, M. van Hulst, N.F. Fan, S. Tielrooij, K.J. Sivan, Y. BIST and CSIC Bellaterra Spain Department of Electrical Engineering Ginzton Laboratory Stanford University StanfordCA94305 United States School of Electrical and Computer Engineering Ben-Gurion University of the Negev Be'er Sheva8410501 Israel ICFO - Institut de Ciencies Fotoniques The Barcelona Institute of Science and Technology Castelldefels Barcelona08860 Spain Department of Applied Physics TU Eindhoven Den Dolech 2 Eindhoven5612 AZ Netherlands

Using ultrafast thermo-modulation microscopy, we show that the spatio-temporal heat diffusion in gold films has an initial ps-scale, electron-dominated diffusion, followed by an unexpected negative diffusion stage, an... 详细信息

ISBN: (纸本)9781957171395

关键词： Heat flux

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Performance Analysis of an UWB/SDM Optical Network Node with PIC-Based Flexible WaveBand-Selective Switches

Performance Analysis of an UWB/SDM Optical Network Node with...

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Conference on Lasers and Electro-Optics (CLEO)

作者： Charalampos Papapavlou Konstantinos Paximadis Braulio Gomez Dan M. Marom Ioannis Tomkos Department of Electrical and Computer Engineering University of Patras Patras Greece VPI Photonics GmbH Institute of Applied Physics Hebrew University of Jerusalem Israel

We analyze a hierarchical optical node architecture supporting flexible band switching using WBSSs across a variety of spatial/spectral granularities from a wavelength channel to full-fiber switching, offering high-pe... 详细信息

ISBN: (纸本)9798350369311

关键词： Optical switches Optical fiber networks Lasers and electrooptics Performance analysis Electro-optical waveguides

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Sensing beyond the exceptional point for high detectivity

arXiv

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arXiv 2024年

作者： Li, Zhichao Prasad, Ciril S. Wang, Xielin Zhang, Ding Naik, Gururaj V. Department of Electrical and Computer Engineering Rice University HoustonTX77005 United States Applied Physics Program Rice University HoustonTX77005 United States Department of Physics and Astronomy Rice University HoustonTX77005 United States

Exceptional point (EP)-based optical sensors exhibit exceptional sensitivity but poor detectivity due to their acute sensitivity to perturbations such as noise. When the optical budget is limited as in applications on mobile platforms, high detectivity might be equally important as high sensitivity. In such scenarios, off-EP sensing is advantageous where a slight loss in sensitivity can lead to a significant gain in detectivity. Here, we show that a passive parity-time symmetric plasmonic-photonic hybrid shows a peak in its detectivity off EP where the sensitivity is still very high – surpassing the sensitivities of equivalent fully-plasmonic and fully-photonic systems. We demonstrate the high detectivity of off-EP sensing of anti-mouse IgG protein using this plasmonic-photonic hybrid system. We report a sensitivity of 1.2 nm/nM while requiring a minimum optical budget of 1.3 nJ. Thus, non-Hermitian plasmonic-photonic hybrids could be the best class of nanophotonic sensors for real-world applications. Copyright © 2024, The Authors. All rights reserved.

关键词： Budget control

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Anti-Stokes cooling and other thermal managements techniques in fiber lasers and amplifiers 19

Anti-Stokes cooling and other thermal managements techniques...

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Fiber Lasers XIX: Technology and Systems 2022

作者： Digonnet, Michel J. F. Ballato, John Dragic, Peter D. Applied Physics Department Stanford University CA United States Department of Materials Science and Engineering Clemson University SC United States Department of Electrical Computer Engineering U. of Illinois at Urbana-Champaign IL United States

ISBN: (纸本)9781510648333

Heat generation during the operation of lasers and amplifiers negatively affects a wide range of performance and packaging considerations. Accordingly, the thermal management of such systems remains of critical importance. This paper reviews the sources of heat in active fiber lasers and amplifiers, and describes recent successes using all-optical means to reduce heat generation, including anti-Stokes fluorescence cooling, radiation balancing, and dual-wavelength pumping. Copyright © 2022 SPIE.

关键词： Laser cooling

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electrically-controlled Varifocal and Bifocal-Bicolor Metalenses Embedded in a Liquid Crystal

Electrically-controlled Varifocal and Bifocal-Bicolor Metale...

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2023 Conference on Lasers and Electro-Optics, CLEO 2023

作者： Bosch, Melissa Shcherbakov, Maxim R. Won, Kanghee Lee, Hong-Seok Shvets, Gennady Department of Physics Cornell University IthacaNY14853 United States Department of Electrical Engineering and Computer Science University of California IrvineCA92697 United States Samsung Electronics Co. Ltd. Gyeonggi-do Suwon-si16678 Korea Republic of School of Applied and Engineering Physics Cornell University IthacaNY14853 United States

We demonstrate highly-compact multifunctional zoom components based on low-loss all-dielectric metasurfaces integrated with liquid crystals (LCs). These devices could find use in next-generation imaging systems includ... 详细信息

ISBN: (纸本)9781957171258

关键词： Liquid crystals

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Unified Variational Approach Description of Ground-State Phases of the Two-Dimensional Electron Gas

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Physical Review Letters 2024年第26期133卷 266504-266504页

作者： Conor Smith Yixiao Chen (陈一潇) Ryan Levy Yubo Yang (杨煜波) Miguel A. Morales Shiwei Zhang Center for Computational Quantum Physics Flatiron Institute New York New York 10010 USA Department of Electrical and Computer Engineering University of New Mexico Albuquerque New Mexico 87131 USA Program in Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 USA

The two-dimensional electron gas (2DEG) is a fundamental model, which is drawing increasing interest because of recent advances in experimental and theoretical studies of 2D materials. Current understanding of the ground state of the 2DEG relies on quantum Monte Carlo calculations, based on variational comparisons of different Ansätze for different phases. We use a single variational ansatz, a general backflow-type wave function using a message-passing neural quantum state architecture, for a unified description across the entire density range. The variational optimization consistently leads to lower ground-state energies than previous best results. Transition into a Wigner crystal (WC) phase occurs automatically at rs=37±1, a density lower than currently believed. Between the liquid and WC phases, the same ansatz and variational search strongly suggest the existence of intermediate states in a broad range of densities, with enhanced short-range nematic spin correlations.

关键词： Wave functions

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Plasmonic BICs as Biosensors with Better Detectivity

Plasmonic BICs as Biosensors with Better Detectivity

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Conference on Lasers and Electro-Optics (CLEO)

作者： Zhichao Li Ciril S. Prasad Xielin Wang Gururaj V. Naik Applied Physics Graduate Program Smalley-Curl Institute Rice University Houston TX USA Department of Electrical and Computer Engineering Rice University Houston TX USA

Plasmonic sensors exhibit high sensitivity due to enhanced local fields. But, their detectivity is poor because of their poor Q-factors. Using a plasmonic BIC, we experimentally demonstrate enhanced Q-factors in a pla... 详细信息

ISBN: (纸本)9781957171258

关键词： Absorption spectroscopy Field enhancement Optical sensing Plasmonic sensors Q factor Sensor performance

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Arbitrary unitary transformation over time-binned optical modes and the demonstration of superadditive communication 5

Arbitrary unitary transformation over time-binned optical mo...

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Quantum Computing, Communication, and Simulation V 2025

作者： Cui, Chaohan Basani, Jasvith Raj Postlewaite, Jack Saif, Babak N. Fan, Linran Waks, Edo Guha, Saikat Department of Electrical and Computer Engineering University of Maryland College ParkMD20742 United States James C. Wyant College of Optical Sciences University of Arizona TucsonAZ85721 United States Institute for Research in Electronics and Applied Physics Joint Quantum Institute University of Maryland College ParkMD20742 United States NASA Goddard Space Flight Center 8800 Greenbelt Road GreenbeltMD20771 United States Department of Electrical and Computer Engineering University of Texas at Austin AustinTX78758 United States

ISBN: (纸本)9781510685307

programmable linear optical unitary transformation across many temporal modes is an enabling technology of far-reaching impact, with applications ranging from joint-detection receivers with quantum-limited communication capacity, generating temporally entangled squeezed light for quantum-enhanced photonic sensors, generating photonic cluster states for quantum computation to all-optical machine learning on native optically-encoded information. To date, implementing arbitrary temporal-mode unitary operations across N optical temporal modes usually involves a complex setup of a temporal-to-spatial mode sorter and an extensive mesh of O(N2) beamsplitters and phase shifters. Here, we present a more compact and scalable optical circuit that only iterates O(N) optical elements and O(N) time-dependent controls to perform any unitary transformation on N temporal modes on demand. We have successfully demonstrated a 16-mode optical Hadamard transform using this approach, achieving superadditive communication in photon-starved regimes. Its performance surpasses that of individual symbol-by-symbol measurements by leveraging collective quantum measurement across the 16 temporal modes. © 2025 SPIE.

关键词： Hadamard transforms

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