Two-Particle Bosonic-Fermionic QuantumWalk via Integrated Photonics

Year: 2012

Authors: Sansoni L., Sciarrino F., Vallone G., Mataloni P., Crespi A., Ramponi R., Osellame R.

Autors Affiliation: Dipartimento di Fisica, Sapienza Universita` di Roma, Piazzale Aldo Moro, 5, I-00185 Roma, Italy;
Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche (INO-CNR), Largo Enrico Fermi, 6, I-50125 Firenze, Italy;
Department of Information Engineering, University of Padova, I-35131 Padova, Italy;
Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche (IFN-CNR), Piazza Leonardo da Vinci, 32, I-20133 Milano, Italy;
Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci, 32, I-20133 Milano, Italy

Abstract: Quantum walk represents one of the most promising resources for the simulation of physical quantum systems, and has also emerged as an alternative to the standard circuit model for quantum computing. Here we investigate how the particle statistics, either bosonic or fermionic, influences a two-particle discrete quantum walk. Such an experiment has been realized by exploiting polarization entanglement to simulate the bunching-antibunching feature of noninteracting bosons and fermions. To this scope a novel three-dimensional geometry for the waveguide circuit is introduced, which allows accurate polarization independent behavior, maintaining remarkable control on both phase and balancement.


Volume: 108 (1)      Pages from: 010502  to: 010502

More Information: This work was supported by EU-Project CHISTERA-QUASAR, FIRB-Futuro in Ricerca HYTEQ and PRIN 2009.
DOI: 10.1103/PhysRevLett.108.010502

Citations: 408
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