A quantum logic gate is a basic quantum device that operates on a small number of quantum bits or qubits. A unitary matrix -- a square matrix of complex numbers -- represents the quantum gate. A 2nx2n ...

A research team has created a quantum logic gate that uses fewer qubits by encoding them with the powerful GKP error-correction code. By entangling quantum vibrations inside a single atom, they ...

Quantum logic gates in photonic systems constitute the building blocks of optical quantum computing and quantum information processing. In these platforms, qubits are encoded in various photonic ...

High-fidelity quantum logic gates applied to quantum bits (qubits) are the basic building blocks of programmable quantum circuits. Researchers at the Advanced Quantum Testbed (AQT) at Lawrence ...

The collaboration of TU Wien with research groups in China has resulted in a crucial building block for a new kind of quantum computer: The realization of a novel type of quantum logic gate makes it ...

Add Yahoo as a preferred source to see more of our stories on Google. Novel quantum gate. A new heralded photonic gate entangles two four-level qudits, using orbital angular momentum instead of ...

A team of physicists has demonstrated a four-dimensional quantum logic gate that entangles two photons across four distinct states, rather than the standard two, using the twisting patterns of light ...

D-Wave Systems revealed their next-generation quantum computing platforms will include both annealing and gate-model quantum computers. This is a significant shift because they were the pioneers in ...

Researchers have demonstrated the first three-qubit high-fidelity iToffoli native gate in a superconducting quantum information processor and in a single step. This demonstration adds a novel ...