EurekAlert!

Optical logic gates in future computers

A new publication from Opto-Electronic Science; DOI 10.29026/oes.2022.220010 considers optical logic gates in future computers. If you are reading this on your smartphone, its CPU (central processing ...
Nature

All-Optical Logic Gates and Semiconductor Optical Amplifiers

All-optical logic gates constitute a pivotal advancement in photonic computing, where Boolean operations are executed entirely by light rather than by electrical signals. This technology exploits ...
Nanowerk

Creating optical logic gates from graphene nanoribbons

(Nanowerk News) A new graphene-based optical logic gate uses collective oscillations of electrons to process light waves in a far smaller space than existing designs. The device also benefits from low ...
Semiconductor Engineering

Ultrafast Optical Chirality Logic Gates (Aalto University)

A technical paper titled “Chirality logic gates” was published by researchers at Aalto University (Finland), National Center for Nanoscience and Technology (Beijing), and University of Cambridge. “The ...
Hackaday

An Optical Computer Architecture

We always hear that future computers will use optical technology. But what will that look like for a general-purpose computer? German researchers explain it in a recent scientific paper. Although the ...
Science Daily

Logic with light: Introducing diffraction casting, optical-based parallel computing

Increasingly complex applications such as artificial intelligence require ever more powerful and power-hungry computers to run. Optical computing is a proposed solution to increase speed and power ...
The Stanford Daily

Stanford researchers propose cost-effective, optical quantum computer design

Fifth-year applied physics Ph.D. candidate Ben Bartlett, postdoctoral scholar Avik Dutt and electrical engineering professor Shanhui Fan proposed a new computer hardware design in November that could, ...
Semiconductor Engineering

Non-Traditional Design of Dynamic Logic Gates and Circuits with FDSOI FETs

A new technical paper titled “Non-Traditional Design of Dynamic Logics using FDSOI for Ultra-Efficient Computing” was published by researchers at University of Stuttgart, UC Berkeley, Indian Institute ...
EDN

Is Optical Computing in Our Future?

Way, way back in the day, “computing” was the domain of analog circuits. No, they couldn’t add up columns of numbers, but they could solve complex differential and other equations, and did so fairly ...
usace.army.mil

Army researchers see path to quantum computing at room temperature

ADELPHI, Md. -- Army researchers predict quantum computer circuits that will no longer need extremely cold temperatures to function could become a reality after about a decade. For years, solid-state ...
Nanowerk

Optical logic gates in future computers

If you are reading this on your smartphone, its CPU (central processing unit) is running at its full speed. It is a tiny chip containing billions of the more basic units called logic gates. In the ...