Superconducting quantum computing: a review

HL Huang, D Wu, D Fan, X Zhu - Science China Information Sciences, 2020 - Springer
Over the last two decades, tremendous advances have been made for constructing large-
scale quantum computers. In particular, quantum computing platforms based on …

Optimal charging of open spin-chain quantum batteries via homodyne-based feedback control

Y Yao, XQ Shao - Physical Review E, 2022 - APS
We study the problem of charging a dissipative one-dimensional XXX spin-chain quantum
battery using local magnetic fields in the presence of spin decay. The introduction of …

Low-latency digital signal processing for feedback and feedforward in quantum computing and communication

Y Salathé, P Kurpiers, T Karg, C Lang, CK Andersen… - Physical Review …, 2018 - APS
Quantum computing architectures rely on classical electronics for control and readout.
Employing classical electronics in a feedback loop with the quantum system allows us to …

Feedback-induced quantum phase transitions using weak measurements

DA Ivanov, TY Ivanova, SF Caballero-Benitez… - Physical review …, 2020 - APS
We show that applying feedback and weak measurements to a quantum system induces
phase transitions beyond the dissipative ones. Feedback enables controlling essentially …

Exponential stabilization of quantum systems under continuous non-demolition measurements

G Cardona, A Sarlette, P Rouchon - Automatica, 2020 - Elsevier
We present a novel continuous-time control strategy to exponentially stabilize an eigenstate
of a quantum measurement operator. In open-loop, the system converges to a random …

Tuning the universality class of phase transitions by feedback: Open quantum systems beyond dissipation

DA Ivanov, TY Ivanova, SF Caballero-Benitez… - Physical Review A, 2021 - APS
We shift the paradigm of feedback control from the control of quantum states to the control of
phase transitions in quantum systems. We show that feedback allows tuning the universality …

Quantum fluctuation theorem under quantum jumps with continuous measurement and feedback

T Yada, N Yoshioka, T Sagawa - Physical Review Letters, 2022 - APS
While the fluctuation theorem in classical systems has been thoroughly generalized under
various feedback control setups, an intriguing situation in quantum systems, namely under …

Entanglement of a pair of quantum emitters via continuous fluorescence measurements: a tutorial

P Lewalle, C Elouard, SK Manikandan… - Advances in Optics …, 2021 - opg.optica.org
We discuss recent developments in measurement protocols that generate quantum
entanglement between two remote qubits, focusing on the theory of joint continuous …

Continuous measurement of a qudit using dispersively coupled radiation

J Steinmetz, D Das, I Siddiqi, AN Jordan - Physical Review A, 2022 - APS
We analyze the continuous monitoring of a qudit coupled to a cavity using both phase-
preserving and phase-sensitive amplification. The quantum trajectories of the system are …

Cooling and state preparation in an optical lattice via Markovian feedback control

LN Wu, A Eckardt - Physical Review Research, 2022 - APS
We propose and investigate a scheme based on Markovian feedback control that allows for
the preparation of single targeted eigenstates of a system of bosonic atoms in a one …