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Modelling Nanostructures with Circularly Birefringent Materials

Ganash, Entesar (2014) Modelling Nanostructures with Circularly Birefringent Materials. PhD thesis, University of Sheffield.

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In this work, we have modelled multilayer magneto-photonic nanostructures in one dimension which display circular birefringence. Starting from Maxwell's equations, we have derived the 4 × 4 transfer matrix for these media. This is used to calculate optical and magneto-optical properties when the structure is deposited on an isotropic transparent substrate. For a transparent substrate it is important to include the effect of multiple incoherent back reflections in the substrate; therefore, the calculations were adapted to consider such reflections for both thick finite isotropic and circularly birefringent substrates. The results show the significant contribution of incoherent back reflections on the magneto-optical Kerr effects. We have reanalysed Sato's modulation method including incoherent back reflections in the substrate. We have derived exact and approximate Faraday rotation formulae for a circularly birefringent film on a circularly birefringent substrate; and a circularly birefringent cavity structure.

Item Type: Thesis (PhD)
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > Physics and Astronomy (Sheffield)
Identification Number/EthosID: uk.bl.ethos.605446
Depositing User: Dr Entesar Ganash
Date Deposited: 06 May 2014 12:44
Last Modified: 03 Oct 2016 11:16
URI: http://etheses.whiterose.ac.uk/id/eprint/5815

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