Quantum Computing News - SciTechDaily

Physicists Develop Next-Gen Optical Fibers for Future Quantum Data Transfer

University of Bath — Sat, 10 Aug 2024 19:21:02 +0000

Physicists at the University of Bath in the UK have developed a new generation of specialty optical fibers designed to address future data transfer challenges anticipated with the rise of quantum computing. Physicists at the University of Bath in the UK have developed a new generation of specialty optical fibers designed to meet the anticipated [...]

Quantum Computing’s Holy Grail: Realizing Topologically Protected Qubits

University of Cologne — Wed, 07 Aug 2024 16:05:01 +0000

A team of physicists has successfully created superconducting properties in materials known for conducting electricity only at their edges, marking a potential leap forward in quantum computing technology. This achievement, which has eluded researchers for over a decade, was made possible through meticulous control of the experimental conditions. Quantum Breakthroughs A team of experimental physicists [...]

Groundbreaking New Research Hub Aims To Develop “Near-Unhackable” Quantum Internet

Heriot-Watt University — Sun, 04 Aug 2024 11:25:04 +0000

Heriot-Watt University heads a new quantum research hub to develop a secure quantum internet and advance technologies across various sectors, fueled by a significant UK government investment. Heriot-Watt University has been chosen to lead a groundbreaking new quantum research hub that aims to develop technologies to progress an ultra-secure ‘quantum internet’ of the future. The [...]

Tiny Titans of Tech: How Moiré Excitons Are Advancing Quantum Computing

Kyoto University — Sat, 03 Aug 2024 12:01:57 +0000

Researchers at Kyoto University have developed a groundbreaking method to measure the quantum coherence time of moiré excitons, potentially improving qubits for quantum computing. By using advanced microfabrication and etching techniques combined with Michelson interferometry, they observed enhanced stability in quantum coherence at extremely low temperatures, significantly outperforming traditional excitons in semiconductors. Quantum technology is [...]

Quantum Computers Need a Quantum Internet: Here’s Why

University of California - Santa Barbara — Thu, 01 Aug 2024 17:09:18 +0000

When and why does a photon emitter fail to emit? Research at UC Santa Barbara sheds light on this question. Research on quantum internet technology highlights the challenge of producing stable photons at telecom wavelengths, with recent studies focusing on material improvements and advanced emission techniques to enhance quantum network efficiency. Computers benefit greatly from [...]

Magnetic Qubits: Scientists Develop New Way To Manipulate Quantum States

Oliver Morsch, ETH Zurich — Wed, 31 Jul 2024 16:09:12 +0000

ETH Zurich researchers have shown how spin-polarized currents can precisely control quantum states in electron spins, offering a new method for manipulating quantum bits in advanced computing. Electrons possess an intrinsic angular momentum known as spin, allowing them to align with a magnetic field, similar to how a compass needle works. Besides their electric charge, [...]

Breaking Classical Limits: Caltech’s New Method To Measure Quantum Errors

California Institute of Technology — Tue, 30 Jul 2024 15:04:33 +0000

A new method employs classical computers to verify the accuracy of complex quantum systems. Quantum computers hold the promise of surpassing classical computers in solving complex problems across various domains such as computer science, medicine, business, chemistry, and physics. However, these advanced machines have yet to reach their full potential, as they currently struggle with [...]

Quantum Dots Take the Leap: Spin Qubits Go Trampolining With Germanium

Delft University of Technology — Thu, 25 Jul 2024 18:00:05 +0000

Researchers at QuTech developed somersaulting spin qubits for universal quantum logic. This achievement may enable efficient control of large semiconductor qubit arrays. Over twenty years after Loss and DiVincenzo’s proposal for quantum computation with quantum dots, QuTech researchers have realized these concepts using germanium to facilitate spin control. This approach simplifies the electronics needed for [...]

Quantum Breakthrough: 1.58 Dimensions Unlock Zero-Loss Energy Efficiency

Utrecht University — Thu, 25 Jul 2024 13:47:40 +0000

Fractals might solve energy waste in information processing. Topological insulators, capable of transmitting electricity without loss, may function in fractional dimensions such as 1.58. This breakthrough, combined with room-temperature operability, paves the way for advancements in quantum computing and energy efficiency through fractal structures. What if we could find a way to make electric currents [...]

Solving Quantum Mysteries: Physicists Confirm Entropy Rule for Entanglement

RIKEN — Tue, 23 Jul 2024 10:18:14 +0000

New research has established a reversible framework for quantum entanglement, aligning it with the principles of thermodynamics and paving the way for improved manipulation and understanding of quantum resources. Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lami from the University of Amsterdam have demonstrated through probabilistic calculations the existence of an [...]

Innovative Error Correction Framework Paves the Way for Scalable Quantum Computers

University of Chicago — Mon, 22 Jul 2024 10:15:30 +0000

Researchers at the Pritzker School of Molecular Engineering have developed a new quantum computer that utilizes “reconfigurable atoms.” These mobile qubits can efficiently communicate with multiple neighbors, enhancing error correction capabilities. A University of Chicago team has created a new quantum computing model that uses fewer qubits for error correction, enhancing efficiency and scalability through [...]

How Silicon Ring Resonators Are Rewriting the Rules of Quantum Computing

SPIE--International Society for Optics and Photonics — Thu, 18 Jul 2024 20:14:59 +0000

A breakthrough in integrated photonics has allowed researchers to harness light manipulation on silicon chips, paving the way for improved quantum computing and secure communications. They developed compact silicon ring resonators to manage 34 qubit-gates and established a novel five-user quantum network. Quantum Leap in Integrated Photonics In a significant leap forward for quantum technology, [...]

Quantum Tech Goes 10x: Achieving Unprecedented System Performance

The Hebrew University of Jerusalem — Sat, 13 Jul 2024 22:01:36 +0000

A novel quantum method significantly boosts system coherence and sensing capabilities, enhancing potential applications in precision-based industries. A new method to significantly enhance quantum technology performance uses the cross-correlation of two noise sources to extend coherence time, improve control fidelity, and increase sensitivity for high-frequency sensing. This innovative strategy addresses key challenges in quantum systems, [...]

From Sci-Fi to Reality: Vacuum Tubes Could Revolutionize Quantum Networking

Sarah C.P. Williams, University of Chicago — Sat, 13 Jul 2024 06:01:47 +0000

A new approach for quantum networks involves using vacuum sealed tubes with spaced-out lenses to transport quantum data via photons over long distances. This method, developed by scientists at the University of Chicago and collaborators, aims to enable secure, high-capacity quantum communication across vast distances. Quantum computers offer powerful ways to improve cybersecurity, communications, and [...]

Quantum Computing Takes a Step Forward With New Spin Center Development

University of California - Riverside — Fri, 12 Jul 2024 15:53:56 +0000

New technologies could enhance methods for storing and transferring data. Quantum computing leverages the principles of quantum mechanics to address complex challenges in various fields, including medicine and machine learning, that surpass the capabilities of traditional computers. Quantum simulators, composed of programmable interacting quantum units, allow scientists to emulate intricate physical world models. By adjusting [...]

Overcoming Longstanding Quantum Computing Roadblock: Scientists Develop Efficient 2D Device for Quantum Cooling

Ecole Polytechnique Fédérale de Lausanne — Tue, 09 Jul 2024 22:50:09 +0000

Engineers at EPFL have developed a device capable of transforming heat into electrical voltage efficiently at temperatures even colder than those found in outer space. This breakthrough could significantly advance quantum computing technologies by addressing a major obstacle. To perform quantum computations, quantum bits (qubits) need to be cooled to temperatures in the millikelvin range [...]

Sound Science: How Phononic Crystals are Shaping Quantum Computing

Institute of Industrial Science, The University of Tokyo — Fri, 05 Jul 2024 10:42:51 +0000

Researchers have developed a genetic algorithm for designing phononic crystal nanostructures, significantly advancing quantum computing and communications. The new method, validated through experiments, allows precise control of acoustic wave propagation, promising improvements in devices like smartphones and quantum computers. Quantum Computing Revolution The advent of quantum computers promises to revolutionize computing by solving complex problems [...]

Quantum Riddle Solved? How Solid Neon Qubits Could Change Computing Forever

Florida State University — Wed, 03 Jul 2024 19:06:16 +0000

Recent research has advanced the development of electron-on-solid-neon qubits, revealing key insights that improve quantum computing by extending qubit coherence times and optimizing their design. Quantum computers have the potential to be revolutionary tools for their ability to perform calculations that would take classical computers many years to resolve. But to make an effective quantum [...]

Quantum Annealers Unravel the Mysteries of Many-Body Systems

Forschungszentrum Juelich — Sat, 29 Jun 2024 12:43:30 +0000

Scientists have utilized a quantum annealer to simulate quantum materials effectively, marking a crucial development in applying quantum computing in material science and enhancing quantum memory device performance. Physicists have long been pursuing the idea of simulating quantum particles with a computer that is itself made up of quantum particles. This is exactly what scientists [...]

MIT’s Diamond Qubits Redefine the Future of Quantum Computing

Adam Zewe, Massachusetts Institute of Technology — Fri, 28 Jun 2024 16:06:34 +0000

A new quantum-system-on-chip enables the efficient control of a large array of qubits, advancing toward practical quantum computing. Researchers at MIT and MITRE have developed a scalable, modular quantum hardware platform, incorporating thousands of qubits on a single chip, promising enhanced control and scalability. Utilizing diamond color centers, this new architecture supports extensive quantum communication [...]

Silicon Magic: Powering the Quantum Internet of the Future

Leah Burrows, Harvard John A. Paulson School of Engineering and Applied Sciences — Mon, 24 Jun 2024 00:09:46 +0000

By utilizing traditional semiconductor devices, researchers have unlocked new potentials in quantum communication, pushing us closer to realizing the vast potential of the quantum internet. Building the quantum internet could be significantly simplified by leveraging existing telecommunications technologies and infrastructure. In recent years, researchers have identified defects in silicon—a widely used semiconductor material—that hold the [...]

Twisting Light Unlocks New Quantum Realms

University of Rostock — Sat, 22 Jun 2024 20:40:31 +0000

A research team is studying how light moves through special circuits called optical waveguides, using a concept called topology. They’ve made an important discovery that combines stable light paths with light particle interactions, which could make quantum computers more reliable and lead to new technological advancements. Scientific innovation often arises as synthesis from seemingly unrelated [...]

Physicists Uncover New Path to Quantum Computing: Infrared Illumination

Graz University of Technology — Fri, 21 Jun 2024 10:29:59 +0000

Physicists at TU Graz have determined that certain molecules can be stimulated by pulses of infrared light to generate small magnetic fields. If experimental trials are also successful, this technique could potentially be applied in quantum computer circuits. When molecules absorb infrared light, they start to vibrate as they receive energy. Andreas Hauser from the [...]

Quantum Chill: Developing Japan’s First “Cold (Neutral) Atom” Quantum Computers

National Institutes of Natural Sciences — Mon, 17 Jun 2024 10:58:47 +0000

The Institute for Molecular Science has launched a Commercialization Preparatory Platform, in collaboration with 10 industry partners, to accelerate the development of “cold (neutral) atom” quantum computers. Institute for Molecular Science (IMS), National Institutes of Natural Sciences, has established a “Commercialization Preparatory Platform (PF)” to accelerate the development of novel quantum computers, based on the [...]