Archivio Istituzionale della RicercaWe present a systematic investigation of the passively mode-locked (ML) quantum dot lasers using a Finite Difference Traveling Wave model. Device structural parameters, such as the saturable absorber (SA) length, the total cavity length, and the facets reflectivity, have been varied. The obtained results indicate a strict relation between the ML performances and the intracavity evolution of the forward/backward travelling ML pulse. We demonstrate that shorter pulses can be achieved in devices with higher intra-SA pulse energy thanks to the enhanced absorption saturation.
Quantum Dot Passively Mode-Locked Lasers: Relation Between Intracavity Pulse Evolution and Mode Locking Performances / Xu, Tianhong; Montrosset, Ivo. - In: IEEE JOURNAL OF QUANTUM ELECTRONICS. - ISSN 0018-9197. - STAMPA. - 49:1(2013), pp. 65-71. [10.1109/JQE.2012.2229967]
Quantum Dot Passively Mode-Locked Lasers: Relation Between Intracavity Pulse Evolution and Mode Locking Performances
XU, TIANHONG;MONTROSSET, Ivo
2013
Abstract
We present a systematic investigation of the passively mode-locked (ML) quantum dot lasers using a Finite Difference Traveling Wave model. Device structural parameters, such as the saturable absorber (SA) length, the total cavity length, and the facets reflectivity, have been varied. The obtained results indicate a strict relation between the ML performances and the intracavity evolution of the forward/backward travelling ML pulse. We demonstrate that shorter pulses can be achieved in devices with higher intra-SA pulse energy thanks to the enhanced absorption saturation.
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https://hdl.handle.net/11583/2505640
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