Results 91 to 100 of about 4,283,891 (213)

Double-phase metasurface operators for all-optical image processing

Light: Science & Applications
All-optical image processing offers a high-speed, energy-efficient alternative to conventional electronic systems by leveraging the wave nature of light for parallel computation.
Linzhi Yu, Haobijam J. Singh, Jesse Pietila, Humeyra Caglayan   +3 more
doaj   +1 more source

Fiber optic computing using distributed feedback

Communications Physics
The widespread adoption of machine learning and other matrix intensive computing algorithms has renewed interest in analog optical computing, which has the potential to perform large-scale matrix multiplications with superior energy scaling and lower ...
Brandon Redding, Joseph B. Murray, Joseph D. Hart, Zheyuan Zhu, Shuo S. Pang, Raktim Sarma   +5 more
doaj   +1 more source

Electrically-switched differential microscopy based on computing liquid-crystal platforms

Nanophotonics
Detection of transparent phase specimens especially biological cells with desired contrasts is of great importance in visual display and medical diagnosis.
Liu Shuoqing, Zheng Dandan, Yang Qiang, Chen Shizhen, Wen Shuangchun, Luo Hailu   +5 more
doaj   +1 more source

Analog Computing using 1T1R Crossbar Arrays

, 2018
Memristor is a novel passive electronic device and a promising candidate for new generation non-volatile memory and analog computing. Analog computing based on memristors has been explored in this study.
Li, Yunning
core   +1 more source

Continuous-Time Sparse Signal Recovery

IEEE Access
This study investigates a continuous-time method for sparse signal recovery, which is suitable for analog optical circuit implementation. The proposed method is defined by a nonlinear ordinary differential equation (ODE) derived from the gradient flow ...
Tadashi Wadayama, Ayano Nakai-Kasai
doaj   +1 more source

Addressing optical modulator non-linearities for photonic neural networks

Communications Engineering
Within the context of neuromorphic computing, analog photonics, especially after the advent of photonic integrated technologies, offers unparalleled computing speeds per core, and the reduction of size and power consumption compared to digital ...
Peter Seigo Kincaid, Nicola Andriolli, Giampiero Contestabile, Lorenzo De Marinis   +3 more
doaj   +1 more source

Optical digital to analog conversion performance analysis for indoor set-up conditions

, 2017
In visible light communication (VLC) the optical digital to analog conversion (ODAC) approach was proposed as a suitable driving technique able to overcome light-emitting diode’s (LED) non-linear characteristic.
Ribeiro, Carlos Gaspar, Alves, Luis Nero, Dobesch, Ales, Wilfert, Otakar, Luis Nero Alves, Aleš Dobesch, Otakar Wilfert, Carlos Gaspar Ribeiro   +7 more
core   +1 more source

Low-Power Optical Computing for Artificial Intelligence and Quantum Applications [PDF]

338 pagesComputing with analog physical systems, including optical ones, has experienced a reawakening in recent years, driven by the rapid expansion of artificial intelligence.
Ma, Shi-Yuan
core   +1 more source

Improving the Dynamic Range of Analog-Optical Links with Low-noise Fiber Parametric Amplifiers

, 2021
We demonstrate that low-noise phase-sensitive fiber optical parametric amplifiers can further effectively increase the third-order spurious-free dynamic range of analog optical links by 3.9 dB/Hz2/3, compared with conventional Erbium-doped fiber ...
Zhao, Ping,, Andrekson, Peter,
core  

Visual Area Coding Technique for Parallel Digital Optical Computing

, 1995
INTRODUCTION Light has a lot of excellent features for information processing and communication, such as parallelism, high speed propagation, exclusive interference, and so on.
Yoshiki Ichioka, Jun Tanida
core