Arrays of waveguide-coupled optical cavities that interact strongly with atoms

TL;DR

This paper proposes a practical scheme for integrating atoms with arrays of coupled optical cavities on a chip, enabling advanced quantum experiments like squeezing and controlled dynamics.

Contribution

It introduces a novel integrated photonic platform connecting microcavities with waveguides for strong atom-cavity interactions.

Findings

Design of a coupled cavity array with waveguide integration

Analysis of technical limitations and experimental parameters

Framework for realizing quantum squeezing and controlled dynamics

Abstract

We describe a realistic scheme for coupling atoms or other quantum emitters with an array of coupled optical cavities. We consider open Fabry-Perot microcavities coupled to the emitters. Our central innovation is to connect the microcavities to waveguide resonators, which are in turn evanescently coupled to each other on a photonic chip to form a coupled cavity chain. In this paper, we describe the components, their technical limitations and the factors that need to be determined experimentally. This provides the basis for a detailed theoretical analysis of two possible experiments to realize quantum squeezing and controlled quantum dynamics. We close with an outline of more advanced applications.