Three-dimensional self-assembled photonic crystal waveguide.

Loading...

View/Download File

Baek_umn_0130E_11704.pdf (3.39 MB)

Persistent link to this item

http://purl.umn.edu/99240

Statistics

View Statistics

Journal Title

Journal ISSN

Volume Title

Title

Three-dimensional self-assembled photonic crystal waveguide.

Authors

Baek, Kang-Hyun

Published Date

2010-12

Publisher

Type

Thesis or Dissertation

Abstract

Photonic crystals (PCs), two- or three-dimensionally periodic, artificial, and dielectric structures, have a specific forbidden band for electromagnetic waves, referred to as photonic bandgap (PBG). The PBG is analogous to the electronic bandgap in natural crystal structures with periodic atomic arrangement. A well-defined and embedded planar, line, or point defect within the PCs causes a break in its structural periodicity, and introduces a state in the PBG for light localization. It offers various applications in integrated optics and photonics including optical filters, sharp bending light guides and very low threshold lasers. Using nanofabrication processes, PCs of the 2-D slab-type and 3-D layer-by-layer structures have been investigated widely. Alternatively, simple and low-cost self-assembled PCs with full 3-D PBG, inverse opals, have been suggested. A template with face centered cubic closed packed structure, opal, may initially be built by self-assembly of colloidal spheres, and is selectively removed after infiltrating high refractive index materials into the interstitials of spheres. In this dissertation, the optical waveguides utilizing the 3-D self-assembled PCs are discussed. The waveguides were fabricated by microfabrication technology. For high-quality colloidal silica spheres and PCs, reliable synthesis, self-assembly, and characterization techniques were developed. Its theoretical and experimental demonstrations are provided and correlated. They suggest that the self-assembled PCs with PBG are feasible for the applications in integrated optics and photonics.

Keywords

Opal

Optical waveguide

Photonic bandgap

Photonic crystal

Self-assembly

Electrical Engineering

Description

University of Minnesota Ph.D. dissertation. December 2010. Major: Electical Engineering. Advisor: Anand Gopinath. 1 computer file (PDF); viii, 77 pages. Ill. (some col.)

Related to

Replaces

License

Collections

Dissertations

Series/Report Number

Funding information

Isbn identifier

Doi identifier

Previously Published Citation

Suggested citation

Baek, Kang-Hyun. (2010). Three-dimensional self-assembled photonic crystal waveguide.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/99240.

Content distributed via the University Digital Conservancy may be subject to additional license and use restrictions applied by the depositor. By using these files, users agree to the Terms of Use. Materials in the UDC may contain content that is disturbing and/or harmful. For more information, please see our statement on harmful content in digital repositories.