Encoding many qubits in different degrees of freedom (DOFs) of single photons is one of the routes toward enlarging the Hilbert space spanned by a photonic quantum state. Hyperentangled photon states (that is, states showing entanglement in multiple DOFs) have demonstrated significant implications for both fundamental physics tests and quantum communication and computation. Increasing the number of qubits of photonic experiments requires miniaturization and integration of the basic elements, and functions to guarantee the setup stability, which motivates the development of technologies allowing the precise control of different photonic DOFs on a chip. We demonstrate the contextual use of path and polarization qubits propagating within an integrated quantum circuit. We tested the properties of four-qubit linear cluster states built on both DOFs, and we exploited them to perform the Grover's search algorithm according to the one-way quantum computation model. Our results pave the way toward the full integration on a chip of hybrid multi-qubit multiphoton states.

Path-polarization hyperentangled and cluster states of photons on a chip / Ciampini, MARIO ARNOLFO; Orieux, Adeline; Paesani, Stefano; Sciarrino, Fabio; Corrielli, Giacomo; Crespi, Andrea; Ramponi, Roberta; Osellame, Roberto; Mataloni, Paolo. - In: LIGHT, SCIENCE & APPLICATIONS. - ISSN 2047-7538. - ELETTRONICO. - e16064(2016), pp. ---. [10.1038/lsa.2016.64]

Path-polarization hyperentangled and cluster states of photons on a chip

CIAMPINI, MARIO ARNOLFO;ORIEUX, ADELINE;PAESANI, STEFANO;SCIARRINO, Fabio;RAMPONI, ROBERTA;MATALONI, Paolo
2016

Abstract

Encoding many qubits in different degrees of freedom (DOFs) of single photons is one of the routes toward enlarging the Hilbert space spanned by a photonic quantum state. Hyperentangled photon states (that is, states showing entanglement in multiple DOFs) have demonstrated significant implications for both fundamental physics tests and quantum communication and computation. Increasing the number of qubits of photonic experiments requires miniaturization and integration of the basic elements, and functions to guarantee the setup stability, which motivates the development of technologies allowing the precise control of different photonic DOFs on a chip. We demonstrate the contextual use of path and polarization qubits propagating within an integrated quantum circuit. We tested the properties of four-qubit linear cluster states built on both DOFs, and we exploited them to perform the Grover's search algorithm according to the one-way quantum computation model. Our results pave the way toward the full integration on a chip of hybrid multi-qubit multiphoton states.
2016
Hyperentanglement, integrated photonics, quantum information
01 Pubblicazione su rivista::01a Articolo in rivista
Path-polarization hyperentangled and cluster states of photons on a chip / Ciampini, MARIO ARNOLFO; Orieux, Adeline; Paesani, Stefano; Sciarrino, Fabio; Corrielli, Giacomo; Crespi, Andrea; Ramponi, Roberta; Osellame, Roberto; Mataloni, Paolo. - In: LIGHT, SCIENCE & APPLICATIONS. - ISSN 2047-7538. - ELETTRONICO. - e16064(2016), pp. ---. [10.1038/lsa.2016.64]
File allegati a questo prodotto
File Dimensione Formato  
Ciampini_Path-polarization_2016.pdf

accesso aperto

Note: Articolo principale
Tipologia: Versione editoriale (versione pubblicata con il layout dell'editore)
Licenza: Creative commons
Dimensione 1.58 MB
Formato Adobe PDF
1.58 MB Adobe PDF

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/934834
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 73
  • ???jsp.display-item.citation.isi??? 71
social impact