A method to determine formation position of comb teeth of Kerr micro-comb under the influence of and nonlinearity

TL;DR

This paper introduces a method to determine the formation position of comb teeth in Kerr micro-combs influenced by nonlinear effects, enhancing controllability for quantum computing applications.

Contribution

It establishes a novel method based on pump thresholds to identify comb tooth positions in micro-ring cavities with second- and third-order nonlinearity, supported by quantum dynamical analysis.

Findings

Good agreement between simulation and experimental results

Method effectively identifies comb tooth formation positions

Enhances controllability of Kerr micro-comb modes

Abstract

The Kerr microcomb has a huge potential advantage as a quantum computing platform because of its large-scale and globally coherent optical modes. The micro-comb has always faced a primary problem is how to increase the controllability of frequency domain modes. In this work, based on the pump thresholds of different side modes, we establish a set of method for determining the formation position of side mode comb teeth in a micro-ring cavity with second-order ( ) and third-order ( ) nonlinearity. Based on the second-order autocorrelation function spectrum simulation, our quantum dynamical explanation has a good agreement with the experimental results.