English
Related papers

Related papers: Optical Networking in Future-land: From Optical-by…

200 papers

Conventional electromagnetic induction-based current transformers suffer from issues such as bulky and complex structures, slow response times, and low safety levels. Consequently, researchers have explored combining various sensing…

Optics · Physics 2024-12-10 Yu-Xuan Chen , Jing Sun , Bo-Qi Meng

An emerging generative artificial intelligence (AI) based on neural networks starts to grow in popularity with a revolutionizing capability of creating new and original content. As giant generative models with millions to billions of…

Emerging Technologies · Computer Science 2023-12-05 Shuang Zheng , Jiawei Zhang , Weifeng Zhang

This paper is focused on the problem of optimizing the aggregate throughput of the Distributed Coordination Function (DCF) employing the basic access mechanism at the data link layer of IEEE 802.11 protocols. In order to broaden the…

Networking and Internet Architecture · Computer Science 2008-12-18 Massimiliano Laddomada , Fabio Mesiti

In wireless ad hoc networks, distributed nodes can collaboratively form an antenna array for long-distance communications to achieve high energy efficiency. In recent work, Ochiai, et al., have shown that such collaborative beamforming can…

Information Theory · Computer Science 2007-07-13 Athina P. Petropulu , Lun Dong , H. Vincent Poor

Recently, several working implementations of in--band full--duplex wireless systems have been presented, where the same node can transmit and receive simultaneously in the same frequency band. The introduction of such a possibility at the…

Information Theory · Computer Science 2016-06-01 Michele Luvisotto , Alireza Sadeghi , Farshad Lahouti , Stefano Vitturi , Michele Zorzi

Orthogonal frequency division multiplexing (OFDM) has been recently recognized as inadequate to meet the increased requirements of the next generation of communication systems. A number of alternative modulation solutions, based on the use…

Information Theory · Computer Science 2016-07-14 Konstantinos Maliatsos , Eleftherios Kofidis , Athanasios Kanatas

The escalating energy demands and parallel-processing bottlenecks of electronic neural networks underscore the need for alternative computing paradigms. Optical neural networks, capitalizing on the inherent parallelism and speed of light…

In this article, we present a general mode-conversion algorithm allowing to build an optical system composed of an alternation of phase masks and free propagations. The originality of our approach lies in the introduction of free parameters…

Computational Physics · Physics 2020-06-08 Nicolas Barré

To perform Quantum Key Distribution, the mastering of the extremely weak signals carried by the quantum channel is required. Transporting these signals without disturbance is customarily done by isolating the quantum channel from any noise…

Quantum Physics · Physics 2010-06-21 D. Lancho , J. Martinez , D. Elkouss , M. Soto , V. Martin

Reconfigurable optical topologies are a promising new technology to improve datacenter network performance and cope with the explosive growth of traffic. In particular, these networks allow to directly and adaptively connect racks between…

Networking and Internet Architecture · Computer Science 2023-08-31 Marcin Bienkowski , David Fuchssteiner , Stefan Schmid

Optical amplifiers are ubiquitous in science and technology and are the workhorse of modern communications. Currently, virtually all amplifiers rely on atomic resonances, such as rare-earth-doped fibers, or are based on III-V…

Optics · Physics 2026-05-22 Nikolai Kuznetsov , Zihan Li , Tobias J. Kippenberg

Optical focusing at depths in tissue is the Holy Grail of biomedical optics that may bring revolutionary advancement to the field. Wavefront shaping is a widely accepted approach to solve this problem, but most implementations thus far have…

Applied Physics · Physics 2019-09-04 Yunqi Luo , Suxia Yan , Huanhao Li , Puxiang Lai , Yuanjin Zheng

Advanced electro-optic processing combines electrical control with optical modulation and detection. For quantum photonic applications these processes must be carried out at the single photon level with high efficiency and low noise.…

Recent work showed that hybrid networks, which combine predefined and learnt filters within a single architecture, are more amenable to theoretical analysis and less prone to overfitting in data-limited scenarios. However, their performance…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Dmitry Minskiy , Miroslaw Bober

Network operators diversify service offerings and enhance network efficiency by leveraging bandwidth-variable transceivers and colorless flexible-grid reconfigurable optical add-drop multiplexers (ROADMs). Nonetheless, the paradigm shift…

Signal Processing · Electrical Eng. & Systems 2024-01-23 Faranak Khosravi , Mehdi Shadaram

In every form of digital store-and-forward communication, intermediate forwarding nodes are computers, with attendant memory and processing resources. This has inevitably stimulated efforts to create a wide-area infrastructure that goes…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-11-20 Micah Beck , Terry Moore , Piotr Luszczek , Anthony Danalis

The rapidly increasing size of deep-learning models has caused renewed and growing interest in alternatives to digital computers to dramatically reduce the energy cost of running state-of-the-art neural networks. Optical matrix-vector…

Emerging Technologies · Computer Science 2024-06-18 Maxwell G. Anderson , Shi-Yuan Ma , Tianyu Wang , Logan G. Wright , Peter L. McMahon

With the explosive growth of data and wireless devices, federated learning (FL) over wireless medium has emerged as a promising technology for large-scale distributed intelligent systems. Yet, the urgent demand for ubiquitous intelligence…

Signal Processing · Electrical Eng. & Systems 2022-05-09 Chenxi Zhong , Huiyuan Yang , Xiaojun Yuan

Most modern convolutional neural networks (CNNs) used for object recognition are built using the same principles: Alternating convolution and max-pooling layers followed by a small number of fully connected layers. We re-evaluate the state…

Machine Learning · Computer Science 2015-04-14 Jost Tobias Springenberg , Alexey Dosovitskiy , Thomas Brox , Martin Riedmiller

Deep learning models, such as the fully convolutional network (FCN), have been widely used in 3D biomedical segmentation and achieved state-of-the-art performance. Multiple modalities are often used for disease diagnosis and quantification.…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Yu Chen , Jiawei Chen , Dong Wei , Yuexiang Li , Yefeng Zheng