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Quantum-limited metrology with product states
Sergio Boixo, Animesh Datta, Steven T. Flammia +3
We study the performance of initial product states of n-body systems in generalized quantum metrology protocols that involve estimating an unknown coupling constant in a nonlinear…
Entangling the optical frequency comb: simultaneous generation of multiple 2x2 and 2x3 continuous-variable cluster states in a single optical parametric oscillator
Hussain Zaidi, Nicolas C. Menicucci, Steven T. Flammia +3
We report on our research effort to generate large-scale multipartite optical-mode entanglement using as few physical resources as possible. We have previously shown that cluster-…
Phase transition of computational power in the resource states for one-way quantum computation
Daniel E. Browne, Matthew B. Elliott, Steven T. Flammia +3
We study how heralded qubit losses during the preparation of a two-dimensional cluster state, a universal resource state for one-way quantum computation, affect its computational p…
Ultracompact Generation of Continuous-Variable Cluster States
Nicolas C. Menicucci, Steven T. Flammia, Hussain Zaidi +1
We propose an experimental scheme that has the potential for large-scale realization of continuous-variable (CV) cluster states for universal quantum computation. We do this by map…