Phase locking of even and odd number of lasers on a ring geometry: effects of topological-charge

The effects of topological charge on phase locking an array of coupled lasers are presented. This is done with even and odd number of lasers arranged on a ring geometry. With an even number of lasers the topological-charge effect is negligible, whereas with an odd number of lasers the topological-ch...

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Bibliographic Details
Published in:Optics express Vol. 23; no. 10; pp. 13041 - 13050
Main Authors: Pal, Vishwa, Trandonsky, Chene, Chriki, Ronen, Barach, Gilad, Friesem, Asher A, Davidson, Nir
Format: Journal Article
Language:English
Published: United States 18-05-2015
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Summary:The effects of topological charge on phase locking an array of coupled lasers are presented. This is done with even and odd number of lasers arranged on a ring geometry. With an even number of lasers the topological-charge effect is negligible, whereas with an odd number of lasers the topological-charge effect is clearly detected. Experimental and calculated results show how the topological charge effects degrade the quality of the phase locking, and how they can be removed. Our results shed further light on the frustration and also the quality of phase locking of coupled laser arrays.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.013041