Analysis of one-dimensional high-index guiding photonic bandgap waveguides
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Related Research Unit(s)
Detail(s)
Original language | English |
---|---|
Pages (from-to) | 2007-2015 |
Journal / Publication | Journal of the Optical Society of America B: Optical Physics |
Volume | 26 |
Issue number | 11 |
Publication status | Published - 1 Nov 2009 |
Link(s)
Abstract
We present a detailed analysis of the guided modes of a one-dimensional photonic bandgap (PBG) waveguide that consists of a high-index guiding layer placed between two identical Bragg reflectors. Using a zigzag wave model, we calculate the modal characteristics of the waveguide including dispersion curves, field distributions, cutoff conditions, and confinement factors. We also investigate the effects of truncating the Bragg reflectors with either a high- or a low-index medium on the modal characteristics of the waveguide. The study provides a rigorous discussion of the two guiding mechanisms in the waveguide, namely index guiding and bandgap guiding. The results are useful not only for the design of PBG slab waveguides but also for a better understanding of the more complicated two-dimensional structures of the same nature, such as photonic crystal fibers and waveguides, which are not amenable to rigorous analytical studies. © 2009 Optical Society of America.
Citation Format(s)
Analysis of one-dimensional high-index guiding photonic bandgap waveguides. / Li, Jie; Chiang, Kin Seng.
In: Journal of the Optical Society of America B: Optical Physics, Vol. 26, No. 11, 01.11.2009, p. 2007-2015.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review