Quantum

Latest headlines

Maria Violaris and fellow interns work on a group project

Summer internships: Maria Violaris – ‘I developed general research skills, which are useful in both industry and academia’

Artist's impression of a cosmic ray striking a qubit chip

Cosmic-ray threat to quantum computing greater than previously thought

Shielding and design changes needed to prevent hard-to-correct qubit errors

An interactive play where quantum physics and psychology collide

Laura Hiscott reviews the play The Mirror Trap and speaks to its writer and star, Simon Watt

Research headlines

Majorana modes continue to elude

"Zero mode" feature predicted in a semiconductor-superconductor nanowire comes from an entirely different effect, say researchers

Photo of a researcher wearing laser safety goggles and bending over an optical bench

Multi-party quantum key distribution paves the way for quantum-secure conference calls

Proof-of-principle experiment uses ordinary telecommunications fibres to connect multiple users over long distances

A view into one of the two vacuum chambers used in the experiments

Atom cavity sees the same photon twice

A new non-destructive photon detection technique could aid the development of quantum communications networks

Diagrams of quantum systems before and after partitioning and simplification

Classical approach extends the range of noisy quantum computers

Quantum computing algorithms can simulate infinitely large quantum systems thanks to mathematical tools known as tensor networks

Quantum computer is smallest ever, claim physicists

System of 24 fully entangled quantum bits fit in two standard server racks

LIGO mirrors have been cooled to near their quantum ground state

Experiment opens a window on gravity’s effect on quantum objects

Quantum newsletter

Sign up for our brand new quantum newsletter. Sent once every two months, the newsletter will bring all the latest quantum research updates, industry news and feature articles straight to your inbox. To register simply sign in to your account and tick the “Quantum – bimonthly” box.

Quantum Week lectures

For Quantum Week 2021 we held a series of free-to-attend scientific presentations in the field of quantum science and technology. Lectures are on a range of topics including quantum processors, the ethics of quantum computing and computational advantage, and they are all available now to watch on demand. Find out more below

IOP Publishing, Bluefors, Pacer (Solid State Supplies)

Quantum computational advantage and beyond

Our first Quantum Week webinar, held on 14 June 2021, explores quantum computational advantage and future applications. Read more…

Watch now

IOP Publishing, Hiden Analytical

Tales of a not-quite-probability distribution

In this Quantum Week webinar, held on 15 June 2021, we explore quasiprobability distributions. Read more…

Watch now

IOP Publishing, Vescent, ColdQuanta, NKT Photonics, QDevil

Building quantum processors and networks atom by atom

Watch this Quantum Week webinar, held on 15 June 2021, to gain insights into one of the most promising quantum architectures. Read more…

Watch now

IOP Publishing, Hiden Analytical

Nitride quantum light sources

This Quantum Week webinar, held on 16 June 2021, explores nitride quantum light sources. Read more…

Watch now

IOP Publishing

A roadmap for the quantum internet

In our penultimate Quantum Week webinar, held on 17 June 2021, we explore the quantum internet. Read more…

Watch now

IOP Publishing, Oxford Instruments

A quantum future of computing

Our final Quantum Week webinar, held on 18 June 2021, explores a range of quantum computing topics, including the simulation of quantum systems for practical applications. Read more…

Watch now

Podcasts

Accelerating quantum start-ups, meet the CEO of D-Wave Systems

Helgoland and the captivating origins of quantum theory

Quantum science and technology careers beckon, sneak preview of Physics World’s Quantum Week

Explore more in quantum science and technology

Is the quantum Internet finally here?

Dutch event billed as a "world premiere live demonstration of the next step in quantum cryptography" offers a glimpse of the future

No man is an island – the early days of the quantum revolution

Chanda Prescod-Weinstein reviews Helgoland by Carlo Rovelli

Artist's impression of a trapped-ion quantum computer, showing glowing dots (ions) hovering above a chip

New gate optimization strategy could boost efficiency in trapped-ion quantum computers

Protocol for performing two-qubit entangling gates trades laser power for speed with little loss of fidelity

Optical links help superconducting quantum computers keep their cool

Replacing electronic connectors with optical ones provides an energy-efficient way to scale up quantum computers

Conceptual image showing a clock and an equation

Nanoscale clock hints at universal limits to measuring time

Experiment shows that classical clocks exhibit the same relationship between entropy and accuracy as their quantum counterparts

Light cages could give quantum-information networks a boost

Device couples light to atoms in a vapour

Illustration of two quantum dots talking to each other

‘Talking’ quantum dots could be used as qubits

Computer model simulates how interactions extend exciton lifetimes

Quantum microscope uses entanglement to reveal biological structures

Squeezed-amplitude light reduces shot noise in laser

Quantum
Blog

**Welcome to the first Physics World Quantum Week**

Running from 14 to 18 June 2021, it features free-to-view webinars plus podcasts, research updates and articles from our quantum student network

Quasiprobabilities shed light on quantum advantage

Conditions under which certain quantum technologies outperform classical ones may be rarer than previously thought, say theorists

Photo of Tobias Heindel (above) and colleagues at Technische Universität Berlin are developing the building blocks for future quantum communication networks.

Optical cryostat proves a game-changer in quantum communication studies

German nanotechnology specialist attocube says its attoDRY800 cryostat enables quantum scientists to "reclaim the optical table" and focus on their research not the experimental s...