Add BrightSurf on Google Email

World’s first logical quantum processor

A Harvard University team has created the world's first logical quantum processor, which can encode up to 48 logical qubits and execute hundreds of gate operations. This breakthrough is a significant step toward reliable quantum computing and fault-tolerant quantum computation.

SourceHarvard University·JournalNature·TypeExperimental study·DateDec 7, 2023

Self-correcting quantum computers within reach?

A Harvard team has successfully developed a self-correcting quantum computer using neutral atom arrays, achieving near-flawless performance with extremely low error rates. The breakthrough enables the creation of large-scale, error-corrected devices based on neutral atoms.

SourceHarvard University·JournalNature·TypeExperimental study·DateOct 12, 2023

Exploiting nonlinear scattering medium for optical encryption, computation, and machine learning

Researchers have discovered a way to utilize nonlinear scattering media for optical computing and machine learning. They created a novel theoretical framework involving third-order tensors, which can represent the complex relationships between input and output signals. This breakthrough has potential applications in real-world settings...

SourceInstitute for Basic Science·JournalNature Physics·TypeExperimental study·DateAug 1, 2023

Quan­tum com­puter in reverse gear

Researchers at the University of Innsbruck have developed reversible parity gates for integer factorization using quantum computers. This breakthrough enables the solution of a crucial pillar of cryptography, allowing for faster and more efficient factorization.

SourceUniversity of Innsbruck·JournalCommunications Physics·DateMay 4, 2023

Laser bursts drive fastest-ever logic gates

Scientists at Rochester and Erlangen develop logic gates that operate at femtosecond timescales, paving the way for ultrafast electronics and information processing. The breakthrough involves harnessing and independently controlling real and virtual charge carriers in gold-graphene-gold junctions with laser pulses.

SourceUniversity of Rochester·JournalNature·DateMay 11, 2022

Optical wiring for large quantum computers

Physicists at ETH Zurich have demonstrated a new method for delivering multiple laser beams precisely to the right locations in a stable manner, allowing for delicate quantum operations on trapped atoms. The approach enables high-fidelity logic gates and scalability for large quantum computers.

SourceETH Zurich·JournalNature·DateOct 22, 2020

A compass pointing west

At the level of nanoscopic structures made of magnetic layers, researchers at PSI have discovered a special magnetic interaction that enables the development of planar magnetic networks. These interactions allow for the creation of synthetic antiferromagnets and logical gates suitable for constructing computer memories and switches.

SourcePaul Scherrer Institute·JournalScience·DateMar 28, 2019

Engineering cellular function without living cells

Researchers at EPFL's LBNC have developed a quantitative, replicable method for studying gene expression using a cell-free system in combination with high-throughput microfluidic devices. This approach allows them to build synthetic biological logic gates that can be used to modify cellular functions and introduce new therapeutic purpo...

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Nanoparticle computing takes a giant step forward

Researchers developed a nanoparticle-lipid bilayer hybrid-based computing platform that enables parallel computation using nanoparticles. The system consists of mobile Nano-Floaters and immobile Nano-Receptors, which can perform AND, OR, and INHIBIT logic operations, and are modularly wired to form complex logic circuits.

SourceSeoul National University·JournalScience Advances·DateFeb 23, 2019

Putting a spin on logic gates

Researchers have developed a prototype for a spin-wave majority logic gate that utilizes wave interference to process information. This innovation uses spin waves instead of classical currents or voltages, enabling the creation of nanoscale devices with improved efficiency and reliability.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateApr 10, 2017

Unlocking the gates to quantum computing

Researchers from Griffith University have successfully implemented a simplified version of the quantum Fredkin gate, a challenging circuit that enables efficient processing in quantum computers. This achievement could lead to more powerful and compact quantum computing systems.

SourceGriffith University·JournalScience Advances·DateMar 25, 2016

Radiation-resistant circuits from mechanical parts

Researchers develop unique technology that keeps devices working in the presence of ionizing radiation, suitable for space applications and control systems, and overcome current radiation-resistant technologies' drawbacks. The new logic gates perform logical operations and can be used to build circuits such as adders and multiplexers.