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Translating Non-Trivial Algorithms from the Circuit Model to the Measurement...

by Amos M Smith Iv, Paul Alsing, Gordon Lott, Michael Fanto
Publication Type
Journal
Journal Name
Journal of Modern Optics
Publication Date
Page Numbers
1 to 891
Volume
62
Issue
11

We provide a set of prescriptions for implementing a circuit model algorithm as measurement
based quantum computing via a large discrete cluster state constructed sequentially, from qubits
implemented as single photons. We describe a large optical discrete graph state capable of searching
logical 4 and 8 element lists as an example. To do so we have developed several prescriptions based
on analytic evaluation of the evolution of discrete cluster states and graph state equations. We
describe the cluster state as a sequence of repeated entanglement and measurement steps using a
small number of single photons for each step. These prescriptions can be generalized to implement
any logical circuit model operation with appropriate single photon measurements and feed forward
error corrections. Such a cluster state is not guaranteed to be optimal (i.e. minimum number of
photons, measurements, run time).