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检索条件"机构=Computer And Data Science Laboratories"
337 条 记 录,以下是131-140 订阅
排序:
Quantized Analog Beamforming Enabled Multi-task Federated Learning Over-the-air
arXiv
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arXiv 2025年
作者: Yao, Jiacheng Xu, Wei Zhu, Guangxu Yang, Zhaohui Huang, Kaibin Niyato, Dusit National Mobile Communications Research Laboratory Southeast University Nanjing China Purple Mountain Laboratories Nanjing China Shenzhen Research Institute of Big Data Shenzhen China College of Information Science and Electronic Engineering Zhejiang University Hangzhou China Department of Electrical and Electronic Engineering The University of Hong Kong Hong Kong School of Computer Science and Engineering Nanyang Technological University Singapore
Over-the-air computation (AirComp) has recently emerged as a pivotal technique for communication-efficient federated learning (FL) in resource-constrained wireless networks. Though AirComp leverages the superposition ... 详细信息
来源: 评论
High-purity single-photon generation based on cavity QED
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Physical Review Research 2025年 第1期7卷 013251-013251页
作者: Seigo Kikura Rui Asaoka Masato Koashi Yuuki Tokunaga Department of Applied Physics Graduate School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan Faculty of Science and Engineering Waseda University 3-4-1 Okubo Shinjuku-ku Tokyo 169-8585 Japan Computer and Data Science Laboratories NTT Corporation Musashino 180-8585 Japan Photon Science Center Graduate School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
We propose a scheme for generating a high-purity single photon on the basis of cavity QED. This scheme employs an atom as a four-level system and the structure allows the suppression of the reexcitation process due to... 详细信息
来源: 评论
Wireless Communication with Flexible Reflector: Joint Placement and Rotation Optimization for Coverage Enhancement
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IEEE Transactions on Wireless Communications 2025年
作者: Lu, Haiquan Yu, Zhi Zeng, Yong Ma, Shaodan Jin, Shi Zhang, Rui Southeast University National Mobile Communications Research Laboratory Nanjing210096 China University of Macau State Key Laboratory of Internet of Things for Smart City Department of Electrical and Computer Engineering China Purple Mountain Laboratories Nanjing211111 China The Chinese University of Hong Kong School of Science and Engineering Shenzhen Research Institute of Big Data Guangdong Shenzhen518172 China National University of Singapore Department of Electrical and Computer Engineering Singapore117583 Singapore
Passive metal reflectors for communication enhancement have appealing advantages such as ultra low cost, zero energy expenditure, maintenance-free operation, long life span, and full compatibility with legacy wireless... 详细信息
来源: 评论
Circuit designs for practical-scale fault-tolerant quantum computing
Circuit designs for practical-scale fault-tolerant quantum c...
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Symposium on VLSI Technology
作者: Yasunari Suzuki Yosuke Ueno Wang Liao Masamitsu Tanaka Teruo Tanimoto NTT Computer & Data Science Laboratories Musashino Tokyo Japan JST RESTO Kawaguchi Saitama Japan Keio University Yokohama Kanagawa Japan The University of Tokyo Bunkyo-ku Tokyo Japan Kyushu University Fukuoka Japan Nagoya University Nagoya Aichi Japan
To demonstrate reliable and scalable quantum computation, we need quantum error correction to reduce its error rates. One of the most challenging parts of implementing quantum error correction is to design error-decod...
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Unitary-transformed projective squeezing: applications for circuit-knitting and state-preparation of non-Gaussian states
arXiv
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arXiv 2024年
作者: Anai, Keitaro Suzuki, Yasunari Tokunaga, Yuuki Matsuzaki, Yuichiro Takeda, Shuntaro Endo, Suguru Department of Applied Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo113-8656 Japan NTT Computer and Data Science Laboratories NTT Corporation Musashino Tokyo180-8585 Japan Department of Electrical Electronic and Communication Engineering Faculty of Science and Engineering Chuo University 1-13-27 Kasuga Bunkyo-ku Tokyo112-8551 Japan
Continuous-variable (CV) quantum computing is a promising candidate for quantum computation because it can utilize infinite-dimensional Hilbert space even with one mode and efficiently handle continuous values. Althou... 详细信息
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Multi-temperature charge scaling of ionic solvents: Disparate responses of thermodynamic properties
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Journal of Molecular Liquids 2024年 409卷
作者: Wang, Xiaohui Liu, Meili Li, Yang Zhang, Zuo-yuan Zhuang, Yi Sun, Zhaoxi Beijing Leto Laboratories Co. Ltd. Beijing China Civil and Architectural Engineering University of Miami Coral GablesFL33146 United States College of Information Science and Engineering Shandong Agricultural University Tai'an271018 China School of Data and Computer Science Shandong Women's University Jinan China College of Physical Science and Technology Yangzhou University Yangzhou225009 China Department of Chemistry Johns Hopkins University BaltimoreMD United States Changping Laboratory Beijing102206 China
Charge scaling as a treatment to effectively include the intermolecular charge transfer and polarization effects is widely applied in molecular modelling of ionic solvents. While the charge scaling factor of 0.8 is pi... 详细信息
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Stimulated emission from superradiant atoms in waveguide QED
Stimulated emission from superradiant atoms in waveguide QED
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Conference on Lasers and Electro-Optics (CLEO)
作者: Rui Asaoka Julio Gea-Banacloche Yuuki Tokunaga Kazuki Koshino Computer and Data Science Laboratories NTT Corporation Musashino Japan Department of Physics University of Arkansas Fayetteville Arkansas USA College of Liberal Arts and Sciences Tokyo Medical and Dental University Ichikawa Japan
We investigate the stimulated emission from superradiant atoms coupled to a waveguide induced by a coherent-state pulse. We provide the dynamical properties of this system and also evaluate the system as a amplifier.
来源: 评论
Full spectrum of novelties in time-dependent urn models
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Physical Review Research 2025年 第2期7卷 023127-023127页
作者: Alessandro Bellina Giordano De Marzo Vittorio Loreto Sapienza University of Rome Physics Department I-00185 Rome Italy Centro Ricerche Enrico Fermi I-00184 Rome Italy Sony Computer Science Laboratories–Rome Joint Initiative CREF-SONY Centro Ricerche Enrico Fermi 00184 Rome Italy Complexity Science Hub Vienna 1080 Vienna Austria Center for Data and Methods University of Konstanz Universitaetstrasse 10 78457 Konstanz Germany
Systems driven by innovation, a pivotal force in human society, present various intriguing statistical regularities, from the Heaps' law to logarithmic scaling or somewhat different patterns for the innovation rat...
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Gaussian-wave-packet model for single-photon generation based on cavity quantum electrodynamics under adiabatic and nonadiabatic conditions
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Physical Review A 2022年 第2期106卷 023712-023712页
作者: Takeru Utsugi Akihisa Goban Yuuki Tokunaga Hayato Goto Takao Aoki Department of Applied Physics Waseda University 3-4-1 Okubo Shinjuku Tokyo 169-8555 Japan Computer & Data Science Laboratories NTT Corporation Musashino 180-8585 Japan Corporate Research & Development Center Toshiba Corporation Kawasaki Kanagawa 212-8582 Japan
For single-photon generation based on cavity quantum electrodynamics, we investigate a practical model assuming a Gaussian wave packet. This model makes it possible to comprehensively analyze the temporal dynamics of ... 详细信息
来源: 评论
Projective squeezing for translation symmetric bosonic codes
arXiv
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arXiv 2024年
作者: Endo, Suguru Anai, Keitaro Matsuzaki, Yuichiro Tokunaga, Yuuki Suzuki, Yasunari NTT Computer and Data Science Laboratories NTT Corporation Tokyo Musashino180-8585 Japan Department of Applied Physics School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo113-8656 Japan Department of Electrical Electronic and Communication Engineering Faculty of Science and Engineering Chuo university 1-13-27 Kasuga Bunkyo-ku Tokyo112-8551 Japan
The design of translation symmetric bosonic codes, e.g., Gottesmann-Kitaev-Preskill and squeezed cat codes, is robust against photon loss, but the computation accuracy is limited by the available squeezing level. Here... 详细信息
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