Abstract:
:Multimode entanglement is an essential resource for quantum information processing and quantum metrology. However, multimode entangled states are generally constructed by targeting a specific graph configuration. This yields to a fixed experimental setup that therefore exhibits reduced versatility and scalability. Here we demonstrate an optical on-demand, reconfigurable multimode entangled state, using an intrinsically multimode quantum resource and a homodyne detection apparatus. Without altering either the initial squeezing source or experimental architecture, we realize the construction of thirteen cluster states of various sizes and connectivities as well as the implementation of a secret sharing protocol. In particular, this system enables the interrogation of quantum correlations and fluctuations for any multimode Gaussian state. This initiates an avenue for implementing on-demand quantum information processing by only adapting the measurement process and not the experimental layout.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Cai Y,Roslund J,Ferrini G,Arzani F,Xu X,Fabre C,Treps Ndoi
10.1038/ncomms15645subject
Has Abstractpub_date
2017-06-06 00:00:00pages
15645issn
2041-1723pii
ncomms15645journal_volume
8pub_type
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