Paper
1 September 2004 Self- and cross-correlation measurements in two-mode semiconductor ring lasers
Author Affiliations +
Abstract
In this work we present experimental results on the auto-correlation and cross-correlation properties of the two counterpropagating modes of a monolithic semiconductor ring laser. The ring laser can operate in a bidirectional regime where the two modes have equal power, and also in a unidirectional regime where one of the modes is almost suppressed. Auto-correlation measurements, that are carried out using an unbalanced Mach-Zehnder fiber interferometer, allows to determine the coherence length and linewidth of the ring laser. Cross-correlation measurements are carried out using a modifed interferometric set-up, and they reveal that the two counterpropagating modes are phase-locked.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Riccardo Miglierina, Guido Giuliani, Silvano Donati, Marc Sorel, Peter J. R. Laybourn, and Alessandro Scire "Self- and cross-correlation measurements in two-mode semiconductor ring lasers", Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); https://doi.org/10.1117/12.546090
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KEYWORDS
Semiconductor lasers

Interferometers

Interferometry

Semiconductors

Fiber couplers

Modes of laser operation

Diamond

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