Quantum walks of correlated photons in non-Hermitian photonic lattices
Mingyuan Gao, Chong Sheng, Yule Zhao, Runqiu He, Liangliang Lu, Wei Chen, Kun Ding, Shining Zhu, Hui Liu
Abstract
Quantum walks have demonstrated capabilities that surpass classical approaches across a range of applications, including quantum computing, quantum simulation, quantum information processing, etc. Recently, quantum walks in non-Hermitian systems have garnered significant attention. The authors experimentally realize here a non-Hermitian photonic lattice on a silicon chip, observing asymmetric quantum walks of single photons induced by the non-Hermitian skin effect. Notably, they investigate the entanglement dynamics of correlated photons, revealing a suppression of entanglement in these non-Hermitian systems.
Topics & Concepts
Quantum walkHermitian matrixPhotonPhotonicsPhysicsQuantumQuantum mechanicsQuantum computerQuantum Mechanics and Non-Hermitian PhysicsQuantum chaos and dynamical systemsTopological Materials and Phenomena