Four-wave mixing in a silicon microring resonator using a self-pumping geometry

TL;DR

This paper demonstrates four-wave mixing in a silicon microring resonator using a self-pumping scheme within an external cavity, enabling lasing and correlated signal-idler generation without external lasers.

Contribution

It introduces a novel self-pumping approach for four-wave mixing in silicon microrings, eliminating the need for external laser sources.

Findings

Lasing observed in microring resonances

Correlated signal and idler beams characterized

Self-pumping scheme successfully implemented

Abstract

We report on four-wave mixing in a silicon microring resonator using a self-pumping scheme instead of an external laser. The ring resonator is inserted in an external-loop cavity with a fibered semiconductor amplifier as a source of gain. The silicon microring acts as a filter and we observe lasing in one of the microring's resonances. We study correlations between signal and idler generated beams using a Joint Spectral Density experiment.