Quantum simulation of spin chain dynamics via integrated photonics

Pitsios, Ioannis, Banchi, Leonardo, Rab, Adil S., Bentivegna, Marco, Caprara, Debora, Crespi, Andrea, Spagnolo, Nicolo, Bose, Sougato, Mataloni, Paolo, Osellame, Roberto and Sciarrino, Fabio 2017. Quantum simulation of spin chain dynamics via integrated photonics. Presented at: 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 25-29 June 2017. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 10.1109/CLEOE-EQEC.2017.8087349

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Abstract

Summary form only given. Photonic circuits represent a promising platform to perform quantum simulation of several different physical phenomena. Indeed, large progresses have been achieved in the last few years due to the technological advances enabled by integrated photonics, which allowed to achieve a significant increase in the size of the implemented systems. Notable examples of observed phenomena in integrated circuits include Anderson localization [1] and transport mechanisms [2].[4]). We discuss the photonic simulation of spin chain dynamics after a quench in a 5-site system [3]. Such dynamics present the feature of entangling distant spins in pairs starting from the input (separable) Neel state, thus obtaining an amount of entanglement which is proportional to the number of sites present in the system (volume law [4]). The verification of such increase in the amount of the generated entanglement provides a useful resource for several quantum information protocols, including quantum teleportation and quantum networking.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IEEE
ISBN:	978-1-5090-6736-7
Last Modified:	23 Jan 2020 04:20
URI:	https://orca.cardiff.ac.uk/id/eprint/119280

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