951 citations · 2.9k across the 29 of their papers we have counts for
29 papers
Robust control of quantum systems by quantum systems
Thomas Konrad, Amy Rouillard, Michael Kastner +1
Quantum systems can be controlled by other quantum systems in a reversible way, without any information leaking to the outside of the system-controller compound. Such coherent quan…
Generating GHZ states with squeezing and post-selection
Byron Alexander, Hermann Uys, John J. Bollinger
Many quantum state preparation methods rely on a combination of dissipative quantum state initialization, followed by unitary evolution to a desired target state. Here we demonstra…
Quantum Control through a Self-Fulfilling Prophecy
H. Uys, H. Bassa, P. J. W du Toit +2
Measurement combined with feedback that aims to restore a presumed pre-measurement quantum state will yield this state after a few measurement-feedback cycles even if the actual st…
Equation of Motion for Estimation Fidelity of Monitored Oscillating Qubits
Humairah Bassa, Lajos Diósi, Thomas Konrad +1
We study the convergence properties of state estimates of an oscillating qubit being monitored by a sequence of \textit{discrete}, unsharp measurements. Our method derives a differ…
Noninvasive Measurement of Dynamic Correlation Functions
Philipp Uhrich, Salvatore Castrignano, Hermann Uys +1
The measurement of dynamic correlation functions of quantum systems is complicated by measurement backaction. To facilitate such measurements we introduce a protocol, based on weak…
Vibration-induced field fluctuations in a superconducting magnet
J. W. Britton, B. C. Sawyer, J. G. Bohnet +3
Superconducting magnets enable precise control of nuclear and electron spins, and are used in experiments that explore biological and condensed matter systems, and fundamental atom…