Photon-number discrimination without a photon counter and its application to reconstructing non-Gaussian states
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Chrzanowski, Helen; Bernu, Julien; Sparkes, Benjamin; Hage, Boris; Lund, A P; Ralph, Timothy Cameron; Lam, Ping Koy; Symul, Thomas
Description
The nonlinearity of a conditional photon-counting measurement can be used to "de-Gaussify" a Gaussian state of light. Here we present and experimentally demonstrate a technique for photon-number resolution using only homodyne detection. We then apply this technique to inform a conditional measurement, unambiguously reconstructing the statistics of the non-Gaussian one- and two-photon-subtracted squeezed vacuum states. Although our photon-number measurement relies on ensemble averages and cannot...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/27374 |
Source: | Physical Review A: Atomic, Molecular and Optical Physics |
DOI: | 10.1103/PhysRevA.84.050302 |
Access Rights: | Open Access |
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01_Chrzanowski_Photon-number_discrimination_2011.pdf | 349.14 kB | Adobe PDF |
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