Abstract
In this paper, we show that bandstop and bandpass filters with versatile spectral attributes can be implemented with modulated films possessing asymmetric grating profiles. The profile asymmetry breaks the resonant leaky mode degeneracy at normal incidence thereby permitting precise spectral spacing of interacting leaky modes with interesting implications in optical filter design. Several example filters, containing only a single grating layer, are designed with this methodology to demonstrate the concept.
©2004 Optical Society of America
Full Article | PDF ArticleMore Like This
Y. Ding and R. Magnusson
Opt. Express 12(23) 5661-5674 (2004)
Robert Magnusson, Mehrdad Shokooh-Saremi, and Xin Wang
Opt. Express 18(1) 108-116 (2010)
Mehrdad Shokooh-Saremi and Robert Magnusson
Opt. Express 16(22) 18249-18263 (2008)