Sobering Up Before Taking the Quantum Leap Quantum computing is one of the centers of gravity in leading edge technology today. There’s much in the media which is fausses nouvelles; quantum computing not to be excluded. Keeping quantum computing in perspective, help yourself shake out […]
Proving Quantum Supremacy Requires Hundreds of Qubits. A team from Intel Labs released a study proving quantum is coming, supremely, when several hundred qubits are stabilized. Until then, we should not expect to solve any combinatorial problems. Qubit. From the study: Computational quantum technologies are […]
Quantum Bits Entangled Using Sound at Distance with Quality. The University of Chicago develops a way to entangle two superconducting qubits with sound vice microwaves. “A challenge for scientists and engineers as they advance quantum technology is to be able to translate quantum signals from […]
Quantum Physicists Pouring Photon Schnapps. A Still for Light Quanta. An atom in a cavity extracts highly pure single photons from weak laser light. Quantum physicists can now distil a kind of photon schnapps. When spirits are distilled, the alcohol content increases relative to the […]
Mass Producing “Stable and Able” Quantum Bits. University of Copenhagen researchers realize new platform for future quantum computer. Quantum physics. University of Copenhagen physicists, as part of the University and Microsoft collaboration focused on topological quantum computing, may have unloosed a Gordian knot in quantum […]
Indium Arsenide: Solution for a Scalable Quantum Computer? Above image is of a nanomechanical router. Full caption: “The research team has invented a component, called a nanomechanical router, that emits quantum information carried by light particles (photons) and routes them into different directions inside a […]
Open Source Quantum Error Suppression Library. Note from Qubit: Qiskit Ignis is a framework for understanding and mitigating noise in quantum circuits and devices, and is part of Qiskit, IBM’s open source quantum development kit. Measurement error mitigation is included in Qiskit Ignis (IBM Research […]
Upgrading and Knowing Your Qubits, “logical qubits”, “error-corrected qubits”… With the number of institutions in the race for research and development of a stable and controllable qubit, it is understandable an article of this length and depth could be written. Thorough piece for the layperson. […]
Silicon Qubit Fidelity and Noise. Qubits appear to be the flavor this week; at least in the output from media sources. Lack of coherence still plaguing stability of the quantum bit. Arguably the most fundamental aspect for quantum computing. Silicon Qubit Fidelities Approaching Incoherent Noise […]
University of Oregon, Center for Optical, Molecular, and Quantum Science. Ultra-secure online communications, completely indecipherable if intercepted, are a step closer with the help of a recently published discovery by University of Oregon physicist Ben Alemán. Alemán, a member of the UO’s Center for Optical, […]
Tohoku University Research News. Tohoku University researchers have developed an algorithm that enhances the ability of a Canadian-designed quantum computer to more efficiently find the best solution for complicated problems, according to a study published in the journal Scientific Reports. Quantum computing takes advantage of […]
Majorana Fermions; Generating More for More Quantum Bits @ Brookhaven National Laboratory. Majorana Fermions. Full release: The combination of different phases of water—solid ice, liquid water, and water vapor—would require some effort to achieve experimentally. For instance, if you wanted to place ice next to […]
Two-Dimensional Arrays, Atomic-clocks, Quantum Simulation, Quantum Computing: All from Cooling and Trapping Atoms. A report presented by nature.com consolidates results from several studies focusing on “the cooling and trapping of single strontium and ytterbium atoms in two-dimensional arrays.” The quantum computing nexus is that these […]
Defending Quantum Computing’s Challenges. Perhaps because Jim Clarke, Director of Quantum Hardware for Intel, reads The Qubit Report, he knows that there are “big” challenges facing quantum computing standing in it’s way. But it will get here. Because quantum is coming. Okay, so maybe Mr. […]
Accurately Measuring Qubit State. UNIVERSITY PARK, Pa. — A new method allows the quantum state of atomic “qubits” — the basic unit of information in quantum computers — to be measured with 20 times less error than was previously possible, without losing any atoms. Accurately […]
Maryland’s IONQ Quantum Computer Outperforms Classical Systems. Having announced the simulation of water molecules via its trapped ion quantum computing system this past December, IONQ revealed on March 24th the capability of their system yet again. This time, they are releasing results showing performance in […]
Quantum State Leakage Detectable; Leading to Error-correction Techniques. Quantum computers are designed to process information using quantum bits, and promise huge speedups in scientific computing and codebreaking Current prototype devices are publicly accessible but highly error prone: information can ‘leak’ into unwanted states Computer program […]
Controlling Qubit Stability. Keeping a quantum bit [qubit] stable is one of the key challenges to scaling, and really making functional, quantum computers. Maintaining stability, i.e. the data contained in a qubit is the key to a quantum computer’s power. “Energy losses take […]
Reducing Monte Carlo Simulations to Near-real Time. IBM has revealed research results for quantum computing protocols processing Monte Carlo calculations. Typically, when using Monte Carlo simulations for financial portfolios on classical systems, the calculation and risk assessment computation may last for several days. According to the […]
Creating Tough and Resistant, Topological Qubits. Arguably, the topological qubit is considered the best quantum bit for maintaining given quantum information and is key to quantum computing moving ahead. Scientists at Purdue University believe they have developed a new research tool capable of probing interference […]
IBM Doubling ‘Quantum Volume’ Annually. But only since 2017. Yet, Big Blue, has released data showing the comparative improvement of newer IBM quantum computing systems while developing the metric of Quantum Volume. According to IBM, the performance of a particular quantum computer can be characterized […]
Intel Probes Qubits to Bring Quantum Computing Sooner. Intel released new information on its latest quantum computing efforts. The company, working with Finnish partners, has developed a commercially available quantum bit [qubit] probe. The tool’s goal is seen as bringing quantum computing to fruition sooner by […]
Speed Reading Quantum Memory. Researchers in Finland have developed a method to increase the read-rate from quantum bits, or qubits. Typically, to extract any useful information from qubits, the method that reads information from qubits must take the least amount of time as possible, allowing as […]
Increasing Qubit Control the Bristlecone Way. Google has been working on improving Bristlecone’s qubit control. New circuits have been developed which control its qubits from within the quantum computer’s cooling system. The number of physical connections between the quantum information processing units has been reduced. Fewer […]
Missing Link for Quantum Dots Found: Quantum Memory. Researchers at the University of Cambridge, St. John’s College, have discovered a method to control electron interaction with nuclear spins. “Quantum dots are crystals made up of thousands of atoms, and each of these atoms interacts magnetically […]
Quantum Key Distribution and Translating Poetry. Repeaters are a critical juncture in all modern digital communications. Enhancing weakening signals traveling through fiber-optic cables keeps the world connected. The challenge of signal weakening was met and overcome with the development of the repeater. The repeater is a […]
South Korea Investing Millions in Quantum Computing. Over the next 5 years, South Korea is set to invest nearly $40M toward quantum computing and related technologies. Of particular note in the South Korean government announcement was investing in computational performance and computer security. Using quantum mechanical […]
Large-scale Quantum Processor, Programmable, Solid State. Flexibility to implement a variety of algorithms without modifying hardware enabled the classical computer to tackle any task from the simplest to the most complex. Taking this flexibility to quantum computing is a crucial next step to quantum computing’s ‘big […]
“What is a quantum computer?” New to quantum computing? What is a quantum bit? What is superposition? What is entanglement, decoherence, or quantum supremacy? Many questions are asked about the forthcoming revolution in computing. It will be kicked off by the quantum computer when one […]
Rigetti Funded Research Yields High-fidelity, Coherence-limited Sweet Spot. Research funded by quantum computer leader Rigetti has demonstrated a high-fidelity, coherence-limited, parametrically-activated, two-qubit gate on a multi-qubit architecture having direct modulation of the tunable qubit. The device involved was designed to work in a general purpose multi-qubit […]
ColdQuanta Teams with University of Wisconsin to Scale Qubits. A spinoff company from the University of Colorado, ColdQuanta, is making a strategic investment in quantum computing in conjunction with a sponsored research award to the University of Wisconsin–Madison. This first award funds development of core performance […]
Quantum Computing Patent Landscape. In tandem with “Business and the Quantum World Applications” report, physicsworld carried a piece in December, 2018. “Mapping the commercial landscape for quantum technologies” (December 3, 2018). The below graphic shows the distribution of over 9000 patents related to quantum computing. Visually […]
Business and the Quantum World Applications. Quantum has some spooky abilities. Quantum radar, quantum cameras, quantum imaging, quantum MRI, atomic clocks, satellite navigation, sensing, imaging and communications, cryptography… If one pays attention to the myriad news articles, public relations releases, and patent notices, puts them together, […]
Quantum Computing and Risks to Cyber Security. Chief Information Security Officer for Bytes Software Services, Steve Marshall, discusses the influence of quantum computing on cyber security. Effects he discusses cover post-quantum cryptography, quantum-resistant cryptography, and how quantum computing impacts information security. Podcast is found here… […]
Solving Coherence and Initialization Problems of Qubits with Hybrid Qubits. Researchers at Japan’s RIKEN Center for Emergent Matter Science have succeeded in creating a device – an architecture based on semiconductors – for quantum computing which solves two problems plaguing the furtherance of quantum computing. […]
Zapata Computing. Zapata Computing ratchets up their up-start chalk-talk. Details from a quantum computing business’ upstart. They’re more than quantum algorithms and applications. This report is found here at xconomy…