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 SM ISO690:2012PIMENOV , Alexander, KOZYREFF, Gregory, TRONCIU, Vasile, VLADIMIROV, Andrei. Theoretical analysis of a multi-stripe laser array with external off-axis feedback. In: Proceedings of SPIE - The International Society for Optical Engineering, Ed. 5, 16-19 aprilie 2012, Brussels. Bellingham, Washington: SPIE, 2012, Ediţia 5, Vol.8432, pp. 1-11. ISBN 9780819491244 . ISSN 0277-786X. DOI: https://doi.org/10.1117/12.921847 |
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 Proceedings of SPIE - The International Society for Optical Engineering Ediţia 5, Vol.8432, 2012 |
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Conferința "Semiconductor Lasers and Laser Dynamics" 5, Brussels, Belgia, 16-19 aprilie 2012 | ||||||
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| DOI:https://doi.org/10.1117/12.921847 | ||||||
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We investigate the dynamical properties of broad area lasers with a V-shaped external cavity formed by two off-axis feedback mirrors that allow to select a single transverse mode with transversely modulated intensity distribution. We derive and study a reduced model of a multi-stripe array. Bifurcation analysis of this system reveals the existence of single mode and multimode instabilities leading to a periodic and irregular time dependence of the output intensity. We observe within reduced model the multimode instability leading to a periodic regime, where the fields traveling in the opposite directions oscillate in antiphase. This result is in agreement with that obtained with the help of 2+1 dimensional traveling wave model. |
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| Cuvinte-cheie Broad-area semiconductor lasers, Delay Differential Equations, multi-stripe laser array, off-axis feedback |
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