Photons have been a flagship system for studying quantum mechanics, advancing quantum
information science, and develo** quantum technologies. Quantum entanglement …

In the past decade, the toolkit of quantum information has been expanded to include
processes in which the basic operations do not have definite causal relations. Originally …

Photonics is a promising platform for implementing universal quantum information
processing. Its main challenges include precise control of massive circuits of linear optical …

Compiling quantum algorithms for near-term quantum computers (accounting for
connectivity and native gate alphabets) is a major challenge that has received significant …

Quantum computers promise to efficiently solve important problems that are intractable on a
conventional computer. For quantum systems, where the physical dimension grows …

Quantum Krylov subspace diagonalization (QKSD) algorithms provide a low-cost alternative
to the conventional quantum phase estimation algorithm for estimating the ground-and …

The efficient characterization of quantum systems,,, the verification of the operations of
quantum devices,, and the validation of underpinning physical models,,, are central …

Investigating the role of causal order in quantum mechanics has recently revealed that the
causal relations of events may not be a priori well defined in quantum theory. Although this …

Quantum computers achieve a speed-up by placing quantum bits (qubits) in superpositions
of different states. However, it has recently been appreciated that quantum mechanics also …

By harnessing weak cross‐Kerr nonlinearities, it proposes two deterministic hyperparallel
quantum control gates, including the hyperparallel controlled‐NOT (hyper‐CNOT) gate and …