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Wavelength-scale, high Q-factor photonic crystal cavities have emerged as a platform of choice for on-chip manipulation of optical signals, with applications ranging from low-power optical signal processing and cavity quantum…

Optics · Physics 2009-09-15 Ian W. Frank , Parag B. Deotare , Murray W. McCutcheon , Marko Loncar

We motivate a new canonical strategy for integrating photonic neural networks (NNs) by leveraging 3D printing. Our believe is that a NN's parallel and dense connectivity is not scalable without 3D integration. 3D additive fabrication…

Emerging Technologies · Computer Science 2021-03-15 Niyazi Ulas Dinc , Demetri Psaltis , Daniel Brunner

By activating blocked users and altering successive interference cancellation (SIC) sequences, reconfigurable intelligent surfaces (RISs) become promising for enhancing non-orthogonal multiple access (NOMA) systems. The downlink RIS-aided…

Information Theory · Computer Science 2020-08-20 Chao Zhang , Wenqiang Yi , Yuanwei Liu

In this work, we present numerical results concerning an integrated photonic non-linear activation function that relies on a power independent, non-linear phase to amplitude conversion in a passive optical resonator. The underlying…

Optics · Physics 2024-02-07 George Sarantoglou , Adonis Bogris , Charis Mesaritakis

In this paper, we present a dynamically reconfigurable hardware accelerator called FADES (Fused Architecture for DEnse and Sparse matrices). The FADES design offers multiple configuration options that trade off parallelism and complexity…

Hardware Architecture · Computer Science 2023-04-18 Jose Nunez-Yanez , Andres Otero , Eduardo de la Torre

Reservoir computing, renowned for its low training cost, has emerged as a promising lightweight paradigm for efficient spatiotemporal processing,it remains challenging to realize deep photonic reservoir computing (DPRC) systems, due to the…

The ever-increasing computation complexity of fast-growing Deep Neural Networks (DNNs) has requested new computing paradigms to overcome the memory wall in conventional Von Neumann computing architectures. The emerging Computing-In-Memory…

Hardware Architecture · Computer Science 2021-07-21 Kaining Zhou , Yangshuo He , Rui Xiao , Kejie Huang

Data center networks are experiencing unprecedented exponential growth, mostly driven by the continuous computing demands in machine learning and artificial intelligence algorithms. Within this realm, optical networking offers numerous…

Networking and Internet Architecture · Computer Science 2024-04-16 Zhenyun Xie , David Sánchez-Jácome , Luis Torrijos-Morán , Daniel Pérez-López

We study how to reduce the reconfiguration time in hybrid optical-electrical Datacenter Networks (DCNs). With a layer of Optical Circuit Switches (OCSes), hybrid optical-electrical DCNs can reconfigure its logical topologies to better match…

Networking and Internet Architecture · Computer Science 2023-12-20 Shuyuan Zhang , Shu Shan , Shizhen Zhao

In-sensor computing, which integrates computation directly within the sensor, has emerged as a promising paradigm for machine vision applications such as AR/VR and smart home systems. By processing data on-chip before transmission, it…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Chengwei Zhou , Sreetama Sarkar , Yuming Li , Arnab Sanyal , Gourav Datta

Due to reduced manufacturing yields, traditional monolithic chips cannot keep up with the compute, memory, and communication demands of data-intensive applications, such as rapidly growing deep neural network (DNN) models. Chiplet-based…

Hardware Architecture · Computer Science 2025-10-31 Lukas Pfromm , Alish Kanani , Harsh Sharma , Janardhan Rao Doppa , Partha Pratim Pande , Umit Y. Ogras

Adaptive networks can sense and adjust to dynamic environments to optimize their performance. Understanding their nanoscale responses to external stimuli is essential for applications in nanodevices and neuromorphic computing. However, it…

A key challenge in on-chip interconnect design is to scale up bandwidth while maintaining low latency and high area efficiency. 2D-meshes scale with low wiring area and congestion overhead; however, their end-to-end latency increases with…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-05 Yichao Zhang , Zexin Fu , Tim Fischer , Yinrong Li , Marco Bertuletti , Luca Benini

Hybrid integration of plasmonics and Si photonics is a promising architecture for global microprocessor interconnects. To this end, practical plasmonic devices not only should provide athermal, broadband operation over wavelength-scale…

Applied Physics · Physics 2017-10-13 Yiwen Su , Charles Lin , PoHan Chang , Amr S. Helmy

Photonic neural networks have been considered as the promising candidates for next-generation neuromorphic computation, aiming to break both the power consumption wall and processing speed boundary of state-to-date digital computing…

Magnetic resonance imaging (MRI) provides high spatial resolution and excellent soft-tissue contrast without using harmful ionising radiation. Dynamic MRI is an essential tool for interventions to visualise movements or changes of the…

Medical Physics · Physics 2022-02-14 Soumick Chatterjee , Chompunuch Sarasaen , Georg Rose , Andreas Nürnberger , Oliver Speck

Power-domain non-orthogonal multiple access (NOMA) has become a promising technology to exploit the new dimension of the power domain to enhance the spectral efficiency of wireless networks. However, most existing NOMA schemes rely on the…

Signal Processing · Electrical Eng. & Systems 2020-03-24 Min Fu , Yong Zhou , Yuanming Shi , Khaled B. Letaief

The rapid expansion of mass spectrometry (MS) data, now exceeding hundreds of terabytes, poses significant challenges for efficient, large-scale library search - a critical component for drug discovery. Traditional processors struggle to…

We propose a fully asynchronous peak detection approach for SPAD-based direct time-of-flight (dToF) flash LiDAR, enabling pixel-wise event-driven depth acquisition without global synchronization. By allowing pixels to independently report…

Image and Video Processing · Electrical Eng. & Systems 2025-12-29 Yiyang Liu , Rongxuan Zhang , Istvan Gyongy , Alistair Gorman , Sarrah M. Patanwala , Filip Taneski , Robert K. Henderson

Robotic continuous control tasks impose stringent demands on the energy efficiency and latency of computing architectures due to their high-dimensional state spaces and real-time interaction requirements. Conventional electronic computing…