Semiconductor spin qubits gain further credibility as leading platform for quantum computing
The post Semiconductor spin qubits gain further credibility as leading platform for quantum computing appeared first on QuTech.
Quantum Information & Computing Meeting: Correlations in random matrix product states
Daniel Haag (MPQ)I will define and motivate Haar-random matrix product states (RMPS)
Quantum Optics Seminar: Towards self-assembled crystals of neutral atoms based on dipole-dipole interactions
Lukas Wangler (MPQ)Trapped ions and electrons in solids can form crystals due to their repulsive interactions.
All-fiber source and sorter for multimode correlated photons
npj Quantum Information, Published online: 14 January 2022; doi:10.1038/s41534-021-00515-x All-fiber source and sorter for multimode correlated photons
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds
npj Quantum Information, Published online: 13 January 2022; doi:10.1038/s41534-021-00510-2 Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds
Photon pairs are more sensitive to rotations than single photons
Quantum states of light have enabled novel optical sensing schemes, e.g., for measuring distance or position, with precisions impossible to achieve with classical light sources such as lasers. The field of quantum metrology has now […]
Quantum Information & Computing Meeting: How to simulate quantum measurement without computing marginals
Flavio Baccari (MPQ): I will give an informal introduction to the sampling algorithms recently introduced in arXiv:2112.08499.
Parameter estimation in quantum sensing based on deep reinforcement learning
npj Quantum Information, Published online: 10 January 2022; doi:10.1038/s41534-021-00513-z Parameter estimation in quantum sensing based on deep reinforcement learning
Identifying optimal cycles in quantum thermal machines with reinforcement-learning
npj Quantum Information, Published online: 10 January 2022; doi:10.1038/s41534-021-00512-0 Identifying optimal cycles in quantum thermal machines with reinforcement-learning
Light–matter interactions simulated on the world’s fastest supercomputer
Researchers have developed a computational approach for simulating interactions between matter and light at the atomic scale. The team tested their method by modeling light — matter interactions in a thin film of amorphous silicon […]
Integrated photonics for quantum technologies
An international team of leading scientists has compiled a comprehensive overview of the potential, global outlook, background and frontiers of integrated photonics. The paper is a roadmap for integrated photonic circuits for quantum technologies. The […]
Exploration of new frequency frontiers
An international team of physicists under the leadership of Prof. Matthias Kling at the Max-Planck-Institute for Quantum Optics and the Ludwig-Maximilians-Universität has extended a measurement method for the observation of light-induced processes in solids.
Exploration of new frequency frontiers
An international team of physicists under the leadership of Prof. Matthias Kling at the Max-Planck-Institute for Quantum Optics and the Ludwig-Maximilians-Universität has extended a measurement method for the observation of light-induced processes in solids.
Magnetic surprise revealed in ‘magic-angle’ graphene
Magnets and superconductors don’t normally get along, but a new study shows that ‘magic-angle’ graphene is capable of producing both superconductivity and ferromagnetism, which could be useful in quantum computing.
Physicists watch as ultracold atoms form a crystal of quantum tornadoes
Physicists have directly observed ultracold atoms forming ‘quantum tornadoes’ in a spinning fluid of ultracold atoms. The observations record a key crossover from classical to quantum behavior.
The first topological acoustic transistor
Researchers have designed and simulated the first topological acoustic transistors — with sound waves instead of electrons — and proposed a connection architecture to form a universal logic gate that can switch the flow of sound on and off.
A-list candidate for fault-free quantum computing delivers surprise
Superconducting uranium ditelluride is a promising material in the race to create fault-tolerant quantum computers, but physicists are rethinking how superconductivity arises in the material in light of puzzling new experimental evidence. Read More Quantum […]
Semiconductors reach the quantum world
Quantum effects in superconductors could give semiconductor technology a new twist. Researchers have identified a composite material that could integrate quantum devices into semiconductor technology, making electronic components significantly more powerful. Read More Quantum Computers […]
Quantum marbles in a bowl of light
Which factors determine how fast a quantum computer can perform its calculations? Physicists have devised an elegant experiment to answer this question. Read More Quantum Computers News — ScienceDaily
Machine learning models quantum devices
Technologies that take advantage of novel quantum mechanical behaviors are likely to become commonplace in the near future. These may include devices that use quantum information as input and output data, which require careful verification […]
Scientific highlights 2021
Many publications by Max Planck scientists in 2021 were of great social relevance or met with a great media response. We have selected 12 articles to present you with an overview of some noteworthy research […]
Researchers propose a new way of generating single photons
For many applications making use of quantum effects, the light has to be in a certain state — namely a single photon state. But what is the best way of generating such single photon states? Researchers have now proposed an entirely new way.
Quantum communication with itinerant surface acoustic wave phonons
npj Quantum Information, Published online: 21 December 2021; doi:10.1038/s41534-021-00511-1 Quantum communication with itinerant surface acoustic wave phonons
Measuring a quantum computer’s power just got faster and more accurate
What does a quantum computer have in common with a top draft pick in sports? Both have attracted lots of attention from talent scouts. Quantum computers, experimental machines that can perform some tasks faster than […]
Moments of silence point the way towards better superconductors
High-precision measurements have provided important clues about processes that impair the efficiency of superconductors. Future work building on this research could offer improvements in a range of superconductor devices, such quantum computers and sensitive particle […]