Erlangen 2022 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 15: Quantum Information (Quantum Computing and Simulation)

Q 15.3: Talk

Tuesday, March 15, 2022, 11:15–11:30, Q-H12

Non-classical features of a multiparticle bosonic state propagating in an integrated network — •federico pegoraro, philip held, syamsundar de, sonja barkhofen, jan sperling, benjamin brecht, and christine silberhorn — Paderborn University, Integrated Quantum Optics, Institute of Photonic Quantum Systems (PhoQS), Warburger Str. 100, 33098, Paderborn, Germany

According to Schrödinger equation, the evolution of a quantum system is governed by a unitary transformation. In light of this premise, the development of new protocols and platforms capable of probing the properties of unitary operations has a key role in a large range of fields from physics to information science. Among all the possible evolutions, Quantum Walks (QWs) have been proved to be a powerful tool within the framework of quantum information and computation. In particular, inhomogeneous and noisy QWs have been largely investigated. Our contribution finds itself along this direction: it is in fact our aim to exploit a fully reconfigurable integrated photonic network, capable to generate and probe a large variety of unitary operations in a reliable and efficient way, in order to implement QW evolutions with a certain degree of inhomogeneities and probe the properties of non-classical correlation of a bosonic multi-particle quantum state that propagates in our network.