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Conditional quantum-state engineering using ancillary squeezed-vaccum states

Jeong, Hyunseok; Lance, Andrew; Grosse, Nicolai; Symul, Thomas; Lam, Ping Koy; Ralph, Timothy Cameron

Description

We investigate an optical scheme to conditionally engineer quantum states using a beam splitter, homodyne detection, and a squeezed vacuum as an ancillar state. This scheme is efficient in producing non-Gaussian quantum states such as squeezed single photons and superpositions of coherent states (SCSs). We show that a SCS with well defined parity and high fidelity can be generated from a Fock state of n≤4, and conjecture that this can be generalized for an arbitrary n Fock state. We describe...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/22120
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.74.033813

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