Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.193602
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Funding
- Investissements d'Avenir du LabEx PALM [ANR-10-LABX-0039-PALM]
- Agence Nationale de la Recherche (ANR) [ANR-14-CE32-0019]
- Agence Nationale de la Recherche (ANR) [ANR-14-CE32-0019] Funding Source: Agence Nationale de la Recherche (ANR)
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We present what is, to our knowledge, the first implementation of a cat breeding operation, which allows an iterative growth of cat states. We thus report the experimental generation of a squeezed cat state from two single photon Fock states, which can be seen as cat states with zero amplitude. These Fock states are mixed on a symmetrical beam splitter, and the generation is heralded by a homodyne measurement in one of the two output arms. The output state has a fidelity of 61% with an even squeezed cat state of amplitude alpha = 1.63. This hybrid operation opens up new prospects in quantum optics, as the protocol depicted here can be iterated in order to produce new kinds of mesoscopic states.
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