Singular Perturbation Approximations for a Class of Linear Quantum Systems

TL;DR

This paper investigates the application of singular perturbation approximations to linear quantum systems in quantum optics, focusing on their physical realizability after model reduction.

Contribution

It provides new insights into the physical realizability of approximate systems obtained through singular perturbation in linear quantum optics.

Findings

Approximate systems maintain physical realizability properties.

Singular perturbation reduces model complexity while preserving key quantum features.

Results applicable to linear quantum optics systems.

Abstract

This paper considers the use of singular perturbation approximations for a class of linear quantum systems arising in the area of linear quantum optics. The paper presents results on the physical realizability properties of the approximate system arising from singular perturbation model reduction.