Search results for single-qubit

Quantum Physics Jun 9, 2023

Research takes first steps towards realizing mechanical qubits

Quantum information (QI) processing may be the next game changer in the evolution of technology, by providing unprecedented computational capabilities, security and detection sensitivities. Qubits, the basic hardware element ...

General Physics Jun 8, 2023

Researchers 'split' phonons in step toward new type of quantum computer

When we listen to our favorite song, what sounds like a continuous wave of music is actually transmitted as tiny packets of quantum particles called phonons.

Quantum Physics Jun 8, 2023

How Schrödinger's cat makes better qubits

Quantum computing uses the principles of quantum mechanics to encode and elaborate data, meaning that it could one day solve computational problems that are intractable with current computers. While the latter work with bits, ...

Optics & Photonics Jun 1, 2023

Optical effect advances quantum computing with atomic qubits to a new dimension

Darmstadt physicists have developed a technique that could overcome one of the biggest hurdles in building a practically-relevant quantum computer. They make use of an optical effect here discovered by British photo pioneer ...

Quantum Physics Jun 1, 2023

The 'breath' between atoms—a new building block for quantum technology

University of Washington researchers have discovered they can detect atomic "breathing," or the mechanical vibration between two layers of atoms, by observing the type of light those atoms emitted when stimulated by a laser. ...

Quantum Physics May 31, 2023

New scheme for qubit control in a multilevel system

A team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) has made significant progress in the research of multilevel quantum system tunability.

Quantum Physics May 25, 2023

Quantum scientists accurately measure power levels 1 trillion times lower than usual

Scientists in Finland have developed a nanodevice that can measure the absolute power of microwave radiation down to the femtowatt level at ultra-low temperatures—a scale trillion times lower than routinely used in verifiable ...

General Physics May 25, 2023

Scientists propose revolution in complex systems modeling with quantum technologies

Scientists have made a significant advancement with quantum technologies that could transform complex systems modeling with an accurate and effective approach that requires significantly reduced memory.

Optics & Photonics May 23, 2023

Using nuclear spins neighboring a lanthanide atom to create Greenberger-Horne-Zeilinger quantum states

Researchers have experimentally demonstrated a new quantum information storage protocol that can be used to create Greenberger-Horne-Zeilinger (GHZ) quantum states. There is a great deal of interest in these complex entangled ...

Optics & Photonics May 18, 2023

Wiring up quantum circuits with light

Quantum computers promise to solve challenging tasks in material science and cryptography that will remain out of reach even for the most powerful conventional supercomputers in the future. Yet, this will likely require millions ...

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