Two mutually loss-coupled lasers featuring astable multivibrator

TL;DR

This paper demonstrates that two strongly coupled single-mode semiconductor lasers can produce self-sustained antiphase relaxation oscillations with high amplitude, revealing new dynamics in laser coupling systems.

Contribution

It introduces a novel system of two mutually loss-coupled lasers that exhibit antiphase relaxation oscillations, expanding understanding of laser dynamics.

Findings

High amplitude antiphase oscillations observed

Strong cavity coupling induces relaxation oscillations

System acts as an astable multivibrator

Abstract

Self-sustained antiphase relaxation oscillations of high amplitude are shown to be possible in a system of two single-mode semiconductor lasers strongly coupled through their cavities.