Quantum simulation of decoherence in optical waveguide lattices

Abstract

We suggest that propagation of nonclassical light in lattices of optical waveguides can provide a laboratory tool to simulate quantum decoherence phenomena with high non-Markovian features. As examples, we study decoherence of optical Schrödinger cats in a lattice that mimics a dissipative quantum harmonic oscillator coupled to a quantum bath, showing fractional decoherence in the strong coupling regime, and Bloch oscillations of optical Schrödinger cats, where damped revivals of the coherence can be observed.

5 pages, 2 figures (to appear in Optics Letters)

References in corpus (9)

• An Open-System Quantum Simulator with Trapped Ions
• Quantum walks of correlated particles
• Reconstruction of non-classical cavity field states with snapshots of their decoherence
• Realization of quantum walks with negligible decoherence in waveguide lattices
• Quantum Correlations in Two-Particle Anderson Localization
• Observation of non-Markovian dynamics of a single quantum dot in a micropillar cavity
• Non-exponential decay via tunneling in tight-binding lattices and the optical Zeno effect
• Transport and Quantum Walk of Nonclassical Light in Coupled Waveguides
• Bloch oscillations of Path-Entangled Photons

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• Bosonic Mpemba effect with non-classical states of light
• Superradiance paradox in waveguide lattices
• Propagation of non-classical states of light through one-dimensional photonic lattices
• Generalized Schrödinger cat states and their classical emulation
• Optical realization of the dissipative quantum oscillator
• Decoherence in quantum cavities: Environmental erasure of carpet-type structures
• Weak-coupling bound states in semi-infinite topological waveguide QED