Results 81 to 90 of about 4,283,891 (213)

Monolithically integrated asynchronous optical recurrent accelerator

eLight
Computing with light is widely recognized as a promising paradigm for overcoming the energy and latency limitations of electronic computing. However, the energy consumption and latency in current optical computing hardware predominantly arise in the ...
Bo Wu, Haojun Zhou, Junwei Cheng, Wenkai Zhang, Shiji Zhang, Chaoran Huang, Dongmei Huang, Hailong Zhou, Jianji Dong, Xinliang Zhang   +9 more
doaj   +1 more source

Analog Computing - past, present, future?

, 2020
As classic stored-program digital computers are reaching physical and practical limits with respect to clock frequency, integration density, and suffer from problems like Amdahl's law, unconventional approaches to high-speed and/or high-energy-efficient ...
Ulmann, Bernd
core  

Photonic edge intelligence chip for multi-modal sensing, inference and learning

Nature Communications
Edge computing requires real-time processing of high-throughput analog signals, posing a major challenge to conventional electronics. Although integrated photonics offers low-latency processing, it struggles to directly handle raw analog data.
Shiji Zhang, Xueyi Jiang, Bo Wu, Haojun Zhou, Wenguang Xu, Hailong Zhou, Zhichao Ruan, Jianji Dong, Xinliang Zhang   +8 more
doaj   +1 more source

Thin-film lithium niobate photonic circuit for ray tracing acceleration

Nature Communications
Real-time, physically realistic rendering is a significant challenge in spatial computing systems due to the excessive computational intensity of ray tracing and the performance limitations of current electronic platform. Here, we propose and demonstrate
Shiji Zhang, Zixi liu, Xueyi Jiang, Haojun Zhou, Bo Wu, Hailong Zhou, Bo Xu, Qing Zhu, Yuhao Guo, Cheng Zeng, Jinsong Xia, Jianji Dong, Xinliang Zhang   +12 more
doaj   +1 more source

A case study on the performance metrics of integrated photonic computing [PDF]

APL Machine Learning
Photonic processors use optical signals for computation, leveraging the high bandwidth and low loss of optical links. While many approaches have been proposed, including in-memory photonic circuits, most efforts have focused on the physical design of ...
Frank Brückerhoff-Plückelmann, Jelle Dijkstra, Julian Büchel, Bottyan Batkai, Falk Ebert, Luis Mickeler, Niklas Bahr, Urs Egger, Abu Sebastian, Wolfram Pernice, Ghazi Sarwat Syed   +10 more
doaj   +1 more source

Spectral convolutional neural network chip for in-sensor edge computing of incoherent natural light

Nature Communications
Optical neural networks are considered next-generation physical implementations of artificial neural networks, but their capabilities are limited by on-chip integration scale and requirement for coherent light sources.
Kaiyu Cui, Shijie Rao, Sheng Xu, Yidong Huang, Xusheng Cai, Zhilei Huang, Yu Wang, Xue Feng, Fang Liu, Wei Zhang, Yali Li, Shengjin Wang   +11 more
doaj   +1 more source

Unlocking new dimensions in photonic computing using optical Skyrmions [PDF]

The decline of Moore's law coupled with the growing dominance of artificial intelligence has recently motivated research into photonic computing as a high-bandwidth, low-power strategy to accelerate digital electronics.
Zhang, Yunqi, Wang, An Aloysius, Qiu, Xuke, Zhao, Zimo, He, Chao, Cai, Yuxi, Dong, Bowei, Ma, Yifei   +7 more
core  

High-fidelity angle-modulated analog optical link

, 2016
There has long existed a debate over whether analog or digital optical link is more suitable for wireless convergence applications. Digital link achieves the highest fidelity, with the sacrifice of huge bandwidth due to the high resolution of ...
Yuan, F, Shieh, W, Che, D
core   +1 more source

Analog Signal Processing in Optical Systems [PDF]

Analog signal processing in optical systems is a field that harnesses the unique properties of light to manipulate and analyze continuous signals. Unlike digital processing, where signals are discretized, optical analog processing operates directly on ...
Gaur, Prabhav Kumar
core   +1 more source

Analog Electrical Phase Noise Compensation for Coherent Optical Receivers

, 2012
The applicability of optical phase noise compensation in the analog electrical domain is presented and experimentally investigated. Frequency noise power density can be reduced two orders of magnitude, enabling the use of low-cost DFB lasers for advanced
Jonas Mårtensson, Christina Larsson, Bengt-Erik Olsson, Alping, Arne G.,, Larsson, Christina,, Arne Alping, Mårtensson, Jonas,, Olsson, Bengt Erik,   +7 more
core   +1 more source