Optically injected multi-mode semiconductor lasers

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dc.contributor.advisor Amann, Andreas en
dc.contributor.author O'Shea, David
dc.date.accessioned 2016-09-16T12:01:23Z
dc.date.issued 2016
dc.date.submitted 2016
dc.identifier.citation O'Shea, D. 2016. Optically injected multi-mode semiconductor lasers. PhD Thesis, University College Cork. en
dc.identifier.endpage 141 en
dc.identifier.uri http://hdl.handle.net/10468/3096
dc.description.abstract As a device, the laser is an elegant conglomerate of elementary physical theories and state-of-the-art techniques ranging from quantum mechanics, thermal and statistical physics, material growth and non-linear mathematics. The laser has been a commercial success in medicine and telecommunication while driving the development of highly optimised devices specifically designed for a plethora of uses. Due to their low-cost and large-scale predictability many aspects of modern life would not function without the lasers. However, the laser is also a window into a system that is strongly emulated by non-linear mathematical systems and are an exceptional apparatus in the development of non-linear dynamics and is often used in the teaching of non-trivial mathematics. While single-mode semiconductor lasers have been well studied, a unified comparison of single and two-mode lasers is still needed to extend the knowledge of semiconductor lasers, as well as testing the limits of current model. Secondly, this work aims to utilise the optically injected semiconductor laser as a tool so study non-linear phenomena in other fields of study, namely ’Rogue waves’ that have been previously witnessed in oceanography and are suspected as having non-linear origins. The first half of this thesis includes a reliable and fast technique to categorise the dynamical state of optically injected two mode and single mode lasers. Analysis of the experimentally obtained time-traces revealed regions of various dynamics and allowed the automatic identification of their respective stability. The impact of this method is also extended to the detection regions containing bi-stabilities. The second half of the thesis presents an investigation into the origins of Rogue Waves in single mode lasers. After confirming their existence in single mode lasers, their distribution in time and sudden appearance in the time-series is studied to justify their name. An examination is also performed into the existence of paths that make Rogue Waves possible and the impact of noise on their distribution is also studied. en
dc.description.sponsorship Irish Research Council (EMBARK RS/2012/514) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher University College Cork en
dc.rights © 2016, David O' Shea. en
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/ en
dc.subject Two-mode lasers en
dc.subject Optical injection en
dc.subject Semiconductor lasers en
dc.subject Rogue waves en
dc.subject Multi-mode lasers en
dc.subject Nonlinear dynamics en
dc.subject Stability diagrams en
dc.title Optically injected multi-mode semiconductor lasers en
dc.type Doctoral thesis en
dc.type.qualificationlevel Doctoral en
dc.type.qualificationname PhD (Science) en
dc.internal.availability Full text available en
dc.description.version Accepted Version
dc.contributor.funder Irish Research Council en
dc.description.status Not peer reviewed en
dc.internal.school Mathematics en
dc.internal.school Tyndall National Institute en
dc.check.reason This thesis is due for publication or the author is actively seeking to publish this material en
dc.check.opt-out No en
dc.thesis.opt-out false
dc.check.entireThesis Entire Thesis Restricted
dc.check.embargoformat Both hard copy thesis and e-thesis en
ucc.workflow.supervisor andreas.amann@tyndall.ie
dc.internal.conferring Autumn 2016 en

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© 2016, David O' Shea. Except where otherwise noted, this item's license is described as © 2016, David O' Shea.
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