Development of multifunctional software for evaluating the photonic properties of new dielectric composite geometries

Software was developed for solving Maxwell's equations using the finite-difference time-domain method, and was used to study 2D and 3D dielectric composites. The software was written from the ground up to be fast, extensible, and generalized for solving any finite difference problem. The code supports parallelization, allowing solutions to be obtained quickly using a beowulf cluster. An extension to the basic FDTD plane wave source was derived, allowing for the creation of angled, periodic, unidirectional plane waves on a square grid. 1D photonic crystal stacks were arranged in a square array and it was discovered that sizeable bandgaps for 2D and 3D geometries appear along the principle axes for different polarizations of the structure. Furthermore, bandgaps in different directions and polarizations could be made to overlap for reasonably large frequency ranges. The structure show promise for use as a low-threshold lasing and may be optimized to produce a complete photonic bandgap.

Department dc:contributor.department

Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.

Grantor dc:publisher

Massachusetts Institute of Technology

Year dc:date.issued

2006

Author dc:creator

• Cogswell, Daniel A. (Daniel Aaron)

Advisor dc:contributor.advisor

• W. Craig Carter.

• Materials Science and Engineering.

Statement dc:rights

• M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.

Licence dc:rights.uri

• http://dspace.mit.edu/handle/1721.1/7582

Language dc:language.iso

eng

Handle dc:identifier.uri

http://hdl.handle.net/1721.1/36219

OAI identifier oai:identifier

oai:dspace.mit.edu:1721.1/36219