The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

Qudit is a multi-level computational unit alternative to the conventional 2-level qubit.
Compared to qubit, qudit provides a larger state space to store and process information, and …

Artificial atoms like the nitrogen vacancy (NV) centers in diamond enable the realization of
fully functional qubits in a solid at room temperature. The functionalities of all the parts …

Solid-state spin systems including nitrogen-vacancy (NV) centers in diamond constitute an
increasingly favored quantum sensing platform. However, present NV ensemble devices …

Spins of impurities in solids provide a unique architecture to realize quantum technologies.
A quantum register of electron and nearby nuclear spins in the lattice encompasses high …

The power of quantum computing technologies is based on the fundamentals of quantum
mechanics, such as quantum superposition, quantum entanglement, or the no-cloning …

Continuously monitoring the environment of a quantum many-body system reduces the
entropy of (purifies) the reduced density matrix of the system, conditional on the outcomes of …

Exceptional points (EPs) correspond to degeneracies of open systems. These are attracting
much interest in optics, optoelectronics, plasmonics, and condensed matter physics. In the …

Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

In quantum physics, measurements can fundamentally yield discrete and random results.
Emblematic of this feature is Bohr's 1913 proposal of quantum jumps between two discrete …