Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition

H. Wang, Yongfeng Lu, Z. Y. Yang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Laser-assisted chemical vapor deposition (LCVD), in combination with 3-D self-assembly of colloidal silica particles, was used to fabricate 3-D photonic bandgap (PBG) structures. Multilayer of colloidal silica particles was formed on silicon substrates using the isothermal heating evaporation approach. A continuous wave (CW) CO2 laser (10.6 μm wavelength) was used as the energy source in the LCVD process. A silica-core-silicon-shell PBG structure was obtained. This technique is capable of fabricating structures with various PBGs by obtaining different silicon shell thickness with different LCVD parameters. This enables us to engineer the position and width of PBGs by flexibly controlling the core-shell geometry. Face-centered cubic (FCC) PBG structures were composed by "effective atom" of silica-core-silicon- shell. In this study, a series of PBG structures with designed PBGs were obtained with different experimental conditions. Incidence-angle-resolved spectroscopic ellipsometer was used to identify specific PBGs. The refractive indices of the "effective atom" with different silicon-shell thickness were calculated using Bruggeman composite model. The plain-wave expansion was used to simulate the photonic dispersion diagrams, which agreed with the experimental results.

Original languageEnglish (US)
Title of host publication26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings
StatePublished - Dec 1 2007
Event26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Orlando, FL, United States
Duration: Oct 29 2007Nov 1 2007

Publication series

Name26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings

Conference

Conference26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007
CountryUnited States
CityOrlando, FL
Period10/29/0711/1/07

Fingerprint

Silicon
Photonics
Chemical vapor deposition
Energy gap
Silicon Dioxide
Silica
Lasers
Atoms
Continuous wave lasers
Self assembly
Refractive index
Multilayers
Evaporation
Heating
Engineers
Wavelength
Geometry
Composite materials
Substrates

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Wang, H., Lu, Y., & Yang, Z. Y. (2007). Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition. In 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings (26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings).

Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition. / Wang, H.; Lu, Yongfeng; Yang, Z. Y.

26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings. 2007. (26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wang, H, Lu, Y & Yang, ZY 2007, Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition. in 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings. 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings, 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007, Orlando, FL, United States, 10/29/07.
Wang H, Lu Y, Yang ZY. Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition. In 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings. 2007. (26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings).
Wang, H. ; Lu, Yongfeng ; Yang, Z. Y. / Parametrical study of photonic bandgap structures fabricated using laser-assisted chemical vapor deposition. 26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings. 2007. (26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings).
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