Generation of four-photon polarization entangled states with cross-Kerr nonlinearity
2015 ◽
Vol 13
(05)
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pp. 1550024
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Keyword(s):
We show how to prepare three different types of four-photon polarization entangled states among four modes. The scheme only use cross-Kerr medium, polarization beam splitters and X homodyne measurements on coherent light fields, which can be efficiently implemented in quantum optical laboratories. GHZ states and symmetric Dick states can be generated in deterministic way based on the scheme. With the possible availability of suitable strong Kerr nonlinearity, another type of entangled state called genuine four-photon entangled state can be realized as well.
2013 ◽
Vol 380-384
◽
pp. 4849-4855
Keyword(s):
2011 ◽
Vol 09
(06)
◽
pp. 1437-1448
Keyword(s):
2020 ◽
Vol 34
(28)
◽
pp. 2050261