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Title: Optical switching using quantum dot-micropillar cavities
Author: Carswell, Stewart T.
ISNI:       0000 0004 5916 3250
Awarding Body: University of Bristol
Current Institution: University of Bristol
Date of Award: 2015
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In this thesis we use optical spectroscopy to investigate III/V semiconductor quantum dot-micropillar cavities. The aim is to identify a pillar containing a single quantum dot that can be used to develop an optical switch, an important component within a photonic network. We will investigate how to improve the mode-coupling of a laser beam into the micropillar cavity, to increase the efficiency of coupling photons into and out of the cavity. We will develop and demonstrate the micropillar post-processing techniques performed using a Focussed Ion Beam etching technique to control the mode-splitting within a micropillar that arises from an imperfect cavity with an elliptical cross-section. Finally, we will investigate how a quantum dot strongly coupled to the micropillar cavity mode can be used as an optical switch.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available