Abstract
It has recently been found that the coexistence of the two counterpropagating modes in the laser cavity may affect the optical stability and lead to a large variety of operating regimes. In this work we report on the ring cavity mode behaviour in ridge-waveguide semiconductor lasers fabricated on GaAs/AlGaAs and InGaAs/InGaAsP material systems. Investigation on the unidirectional operating regime has shown a drastic improvement in the device performance and frequency stability with respect to bidirectional operation. In addition, we found that a semiconductor ring laser (SRL) operating in the unidirectional regime behaves as an optical bistable device between the two counterpropagating modes.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.