Nonlinear superconducting resonator circuit for investigating dissipative phase transitions. Credit: Guillaume Beaulieu (EPFL)

Quantum Leap: New Phase Transitions Stabilize Computing

Researchers successfully observed “dissipative phase transitions” in quantum systems using a superconducting Kerr resonator at near-absolute zero temperatures, revealing phenomena like “squeezing,” metastability, and “critical slowing down” that could revolutionize quantum computing and sensing technologies through enhanced stability and precision.

In the new method, two boron nitride (n-BN) layers twisted with respect to each other create an electric field in a molybdenum diselenide semiconductor (MoSe2). A light beam (red) is used to study the properties of the electrons in the semiconductor. Credit: ETH Zurich

Harnessing Coulomb Interactions in Nanoscale Ferroelectric Moiré Structures

Researchers created a nanoscale ferroelectric moiré pattern using hexagonal boron nitride layers to generate a purely electrostatic potential that enhances Coulomb interactions in transition metal dichalcogenides, enabling optical detection of electron correlations and ordered states while opening pathways to explore exotic quantum phenomena like chiral layer-pseudospin liquids and kinetic magnetism.

IonQ to acquire ID Quantique to form the world’s largest quantum-safe networks and quantum networking provider

IonQ to Acquire Controlling Stake in ID Quantique

IonQ is acquiring a controlling stake in quantum safe networking leader ID Quantique (IDQ) to strengthen its global quantum ecosystem, accelerate quantum networking development, and establish a strategic partnership with SK Telecom, with the acquisition expected to close in Q2 2025.

The two PSI physicists Andreas Läuchli (left) and Andreas Elben were involved in developing a new type of digital-analogue quantum simulator. Credit: © Paul Scherrer Institute PSI/Mahir Dzambegovic

Google’s Hybrid Digital-Analog Quantum Simulator Breaks New Ground

Researchers at Google and PSI have developed a revolutionary quantum simulator that combines digital precision with analog modeling capabilities, enabling unprecedented studies of complex physical phenomena through a versatile 69-qubit system that can both precisely control initial conditions and naturally simulate physical interactions, opening new possibilities in fields ranging from materials science to astrophysics.

Leading-order Feynman diagrams for top-antitop pair production in the SM, where a double line represents a top particle: (a) q q ¯ channel; (b) g g channel. The two channels contribute roughly 10% and 90% of the total cross section respectively.

LHC’s Top Quarks Unlock Quantum Computing Magic

A breakthrough discovery by twin physicists Professors Chris and Martin White has revealed an unexpected connection between the Large Hadron Collider (LHC) and quantum computing through a property called “magic” in top quarks. Published in […]

Comparison of V-scores of VQE ansatzes versus energy relative errors on a 10 sites TFIM.

V-Score: A New Benchmark for Quantum and Classical Computing

Scientists are developing innovative ways to benchmark the potential of quantum computing in solving complex scientific problems, particularly in understanding material systems. The research, led by physicist Giuseppe Carleo at the Swiss Federal Institute of Technology, introduces a novel approach to comparing classical and quantum computational methods for tackling challenging physics problems.

New benchmark helps solve the hardest quantum problems

New benchmark helps solve the hardest quantum problems

Predicting the behavior of many interacting quantum particles is a complicated process but is key to harness quantum computing for real-world applications. Researchers have developed a method for comparing quantum algorithms and identifying which quantum […]

The micro-ring resonator, shown here as a closed loop, generated high-dimensional photon pairs. Researchers examined these photons by manipulating the phases of different frequencies, or colors, of light and mixing frequencies, as shown by the crisscrossed multicolor lines. Credit: Yun-Yi Pai/ORNL, U.S. Dept. of Energy

New measurements quantifying qudits provide glimpse of quantum future

A research team has developed an efficient method to measure high-dimensional qudits (advanced versions of qubits that can hold more information and are more noise-resistant) encoded in quantum frequency combs on a single optical chip, marking a significant advancement for quantum networks and communication systems.

New quantum technology combines free electrons and photons

Faster computers, tap-proof communication, sensors beyond standard quantum limit – quantum technologies have the potential to revolutionize our lives just as once the invention of computers or the internet. Experts worldwide are trying to implement […]

Quantum Industry Day in Switzerland (QIDiS)

The  Quantum Industry Day in Switzerland (QIDiS) will be back at the Technopark in Zurich on October 4th, 2022.  The Quantum Industry Day gathers academic and industrial R&D to foster exchange and accelerate the development of new quantum […]

Zurich Instruments SHFPPC Parametric Pump Controller

Zurich Instruments introduces qubit amplifier controller

Zurich Instruments offers Quantum Computing researchers a fast track to unleashing the power of parametric amplification for qubit readout. While being critical to achieve the high measurement speed and low error rates needed for quantum […]

A particle of light from the single photon source (below) is stored in the vapor cell (above). A simultaneously emitted second photon is revealed by a detector (right), which triggers the control laser pulse and thereby initiates the storage process. (Image: Department of Physics/University of Basel)

Quantum network nodes with warm atoms

Physicists at the University of Basel, Switzerland, have now developed a network node for quantum communication networks that can store single photons in a vapor cell and pass them on later. In quantum communication networks, […]

EPFL scientists have built a compact waveguide amplifier by successfully incorporating rare-earth ions into integrated photonic circuits.

Breakthrough in integrated photonics

Scientists at EPFL, Switzerland, have built a compact waveguide amplifier by successfully incorporating rare-earth ions into integrated photonic circuits. The device produces record output power compared to commercial fiber amplifiers, a first in the development […]

QC Ware logo

Covestro and QC Ware develop quantum algorithms for materials R&D

Covestro, one of the world’s leading polymer companies, and QC Ware have announced the signing of a five-year collaboration agreement. The objective of the collaboration is to help prepare Covestro to fully deploy quantum algorithms for the discovery of new materials […]

Single photon emitter takes a step closer to quantum tech

Developing non-classical light sources that can emit, on-demand, exactly one photon at a time is one of the main requirements of quantum technologies. But although the first demonstration of such a “single photon emitter”, or […]

LIGENTEC opens R&D Centre in France

Lausanne, Switzerland and Corbeil-Essones, France – April 27, 2022 LIGENTEC SA, the leading supplier of high performance, low loss, silicon nitride Photonic Integrated Circuits established a R&D Centre in France. Photonic integrated circuits (PICs) are […]