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Adaptive Optical Phase Estimation Using Time-Symmetric Quantum Smoothing
T. A. Wheatley, D. W. Berry, H. Yonezawa +7
Quantum parameter estimation has many applications, from gravitational wave detection to quantum key distribution. We present the first experimental demonstration of the time-symme…
Black-box Hamiltonian simulation and unitary implementation
Dominic W. Berry, Andrew M. Childs
We present general methods for simulating black-box Hamiltonians using quantum walks. These techniques have two main applications: simulating sparse Hamiltonians and implementing b…
Non-Abelian anyonic interferometry with a multi-photon spin lattice simulator
D. W. Berry, M. Aguado, A. Gilchrist +1
Recently a pair of experiments demonstrated a simulation of Abelian anyons in a spin network of single photons. The experiments were based on an Abelian discrete gauge theory spin…
Adaptive Measurements in the Optical Quantum Information Laboratory
H. M. Wiseman, D. W. Berry, S. D. Bartlett +2
Adaptive techniques make practical many quantum measurements that would otherwise be beyond current laboratory capabilities. For example: they allow discrimination of nonorthogonal…