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http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/4396
Title: | Investigation of noise correlations in the phase-locked class-A VECSEL array |
Authors: | KARUSEICHYK, S. PAL, V. SAHOO, S. BEAUDOIN, G. SAGNES, I. BRETENAKER, F. |
Issue Date: | 2-May-2024 |
Abstract: | We theoretically and experimentally study the noise correlations in an array of lasers based on a VECSEL (Vertical External Cavity Surface Emitting Laser) architecture. The array of two or three lasers is created inside a planar degenerate cavity with a mask placed in a self-imaging position. Injection from each laser to its neighbors is created by diffraction, which creates a controllable complex coupling coefficient. The noise correlations between the different modes are observed to be dramatically different when the lasers are phase-locked or unlocked. These results are well explained by a rate equation model that takes into account the class-A dynamics of the lasers. This model permits the isolatation of the influence of the complex coupling coefficients and of the Henry α-factor on the noise behavior of the laser array. |
URI: | http://dspace.iitrpr.ac.in:8080/xmlui/handle/123456789/4396 |
Appears in Collections: | Year-2023 |
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