Giuliani, G., Miglierina, R., Sorel, M. and Scire, A. (2005) Linewidth, autocorrelation, and cross-correlation measurements of counterpropagating modes in GaAs-AlGaAs semiconductor ring lasers. IEEE Journal of Selected Topics in Quantum Electronics, 11(5), pp. 1187-1192. (doi: 10.1109/JSTQE.2005.854144)
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Publisher's URL: http://dx.doi.org/10.1109/JSTQE.2005.854144
Abstract
We perform an experimental investigation of the linear autocorrelation and cross correlation properties of the two counterpropagating modes of a monolithic semiconductor ring laser (SRL). The ring laser can operate in a bidirectional regime where the two modes are active at the same time and have equal power, and also in a unidirectional regime where one of the modes is suppressed. Autocorrelation measurements are carried out using an unbalanced optical fiber Mach-Zehnder interferometer that allows us to determine the linewidth of each mode of the ring laser. Cross correlation measurements are performed using a modified optical fiber interferometric setup where the two counterpropagating modes are directly superposed on a photodetector. This measurement reveals that in the bidirectional regime the two modes are phase-locked and allows us to evaluate the degree of their correlation.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Sorel, Professor Marc |
| Authors: | Giuliani, G., Miglierina, R., Sorel, M., and Scire, A. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | IEEE Journal of Selected Topics in Quantum Electronics |
| Publisher: | Institute of Electrical and Electronics Engineers |
| ISSN: | 1077-260X |
| ISSN (Online): | 1558-4542 |
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