Researchers successfully simulated Google’s 53-qubit Sycamore quantum circuit seven times faster than the original quantum computer using 1,432 GPUs and innovative tensor network algorithms, effectively refuting Google’s quantum advantage claim.
Scientists have discovered and experimentally confirmed the existence of “quadruplons,” genuine four-body quasi-particles consisting of two electrons and two holes tightly bound together in a monolayer semiconductor, which represent a fundamentally new type of matter excitation beyond previously known quasi-particles like excitons and bi-excitons.
UCL researchers have developed a groundbreaking technique using arsenic atoms in silicon that achieves a 97% success rate for single-atom placement (compared to phosphorus’s 70%), potentially solving quantum computing’s twin challenges of error rates and scalability through scanning tunneling microscopy hydrogen resist lithography.
A groundbreaking theory bridges quantum mechanics and general relativity by treating the spacetime metric as a quantum operator and introducing an entropy-based gravitational action that yields modified Einstein equations with an emergent cosmological constant, potentially explaining cosmic expansion and dark matter through a novel auxiliary “G-field.”
Harvard scientists have developed a groundbreaking photon router that creates an optical interface between light signals and superconducting microwave qubits, potentially solving a major quantum computing challenge by enabling different quantum systems to communicate efficiently without bulky wires, thus bringing distributed, fiber-optic-based quantum computers closer to reality.
Researchers have achieved a major quantum computing breakthrough by using a 56-qubit quantum computer to generate certifiably random numbers verified by classical supercomputers, marking a shift from theoretical quantum advantage to practical application with significant implications for cryptography, security, and fairness.
D-Wave Quantum Inc. has achieved the world’s first demonstration of quantum computational supremacy on a useful real-world problem, using their Advantage2 prototype quantum annealer to perform complex magnetic materials simulations in minutes that would take a classical supercomputer nearly one million years and consume more than the world’s annual electricity.
Researchers at China’s USTC have developed Zuchongzhi-3, a groundbreaking 105-qubit quantum computer that processes calculations 10^15 times faster than the most powerful supercomputers and one million times faster than Google’s latest quantum systems, marking a significant advancement in quantum supremacy.
Amazon Web Services has unveiled Ocelot, a groundbreaking quantum chip that uses cat qubits and bosonic quantum error correction to significantly reduce resource requirements, achieving bit-flip times approaching one second while requiring only one-tenth the resources of traditional approaches, potentially revolutionizing the path to commercially viable quantum computing.
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.
Quantum Machines has raised $170 million in Series C funding, bringing its total to $280 million, as the company’s hybrid control technology for quantum computing systems gains widespread adoption across the industry during a breakthrough year marked by significant hardware and error correction advancements.
A groundbreaking study from the University of Surrey reveals that time at the quantum level may flow in both directions, as researchers discovered a mathematical “memory kernel” in open quantum systems that maintains time symmetry even when considering energy dissipation into the universe, challenging our conventional understanding of time’s unidirectional nature.
An international research team has developed a groundbreaking technique to integrate superconductors with semiconductors by patterning platinum on germanium and heating it to form a superconducting alloy, demonstrating coherent quantum states that could enable hybrid quantum processors combining the scalability of semiconductor qubits with the long-range connectivity of superconducting circuits.
A QuTech research team demonstrated initialization, readout, and universal control of four qubits created from eight germanium quantum dots, achieving quantum information transfer with 75% Bell state fidelity and establishing a versatile platform for quantum computing advancement.
Microsoft has demonstrated the world’s first topological qubit using Majorana Zero Modes in specially-engineered topoconductor materials, achieving measurement-based control through quantum dot interactions while securing DARPA support to build a fault-tolerant prototype that could scale to one million qubits and revolutionize scientific discovery.
Using Quobly’s Strategy to Build Qubits With FD-SOI Technology, Readout Architecture ‘Provides a Path to Low Power and Scalable Quantum’ ICs
The research demonstrates how quantum state tomography can reveal the full quantum characteristics of photoelectrons emitted from atoms, showing pure quantum states in helium but mixed states in argon due to spin-orbit coupling, thus bridging photoelectron spectroscopy with quantum information science.
Scientists at Oak Ridge National Laboratory successfully transmitted entangled quantum signals without interruption over a commercial fiber-optic network using automatic polarization compensation, marking a crucial advance toward practical quantum internet development.
ISTA physicists have developed a breakthrough method to connect superconducting qubits using fiber optics instead of traditional electrical signals, significantly reducing cooling requirements and potentially enabling the scaling and networking of quantum computers by converting optical signals to microwave frequencies that qubits can process.
Researchers have developed a groundbreaking universal model that uses quantum entanglement to explain how particles emerge from high-energy proton collisions, successfully matching experimental data from the HERA accelerator and potentially transforming our understanding of nuclear physics through future testing at facilities like the Electron-Ion Collider.
Physicists achieved a quantum computing breakthrough by successfully connecting separate quantum processors through photonic links, enabling quantum teleportation of logical gates between modules and demonstrating the first distributed quantum computer system, which could potentially scale up without the limitations of cramming millions of qubits into a single device.
MIT physicists achieved a groundbreaking first-time measurement of electron geometry in solid materials at the quantum level using ARPES technology, opening new possibilities for understanding and manipulating quantum properties of materials for future applications in computing and electronics.
A groundbreaking discovery in quantum physics introduces the anomalous Hall torque – completing a triad of Universal Hall torques – which enables precise control of electron spin and magnetization in spintronic devices, paving the way for more efficient neuromorphic computing systems that mimic human brain functions.
MIT researchers achieved a groundbreaking 99.998% single-qubit fidelity in quantum computing through innovative fluxonium qubit control techniques, combining commensurate pulses and synthetic circularly polarized light to overcome counter-rotating errors, marking a crucial advancement toward practical quantum error correction and fault-tolerant quantum computing.
This work represents the embodiment of the long-sought goal of bridging macroscopic and microscopic nonlinear and quantum optics,” says Schuck, who co-directs Columbia’s MS in Quantum Science and Technology. “It provides the foundation for scalable, highly efficient on-chip integrable devices such as tunable microscopic entangled-photon-pair generators.