Effects of finite aperture on the performance of guided-mode resonant filters

Robert R. Boye; Raymond K. Kostuk

doi:10.1117/12.424840

16 April 2001 Effects of finite aperture on the performance of guided-mode resonant filters

Robert R. Boye, Raymond K. Kostuk

Proceedings Volume 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems; (2001) https://doi.org/10.1117/12.424840
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

Guided mode resonant filters (GMRFs) are potentially useful as wavelength selective devices for DWDM telecom and sensor applications. These elements consist ofa high frequency grating deposited on an optical waveguide. In this presentation we investigate several approaches to modeling the characteristics of finite aperture GMRFs. Experimental GMRFs were fabricated with photoresist gratings with different grating characteristics and apertures were deposited on planar waveguides with specific refractive indices and thickness in sol-gel materials. Good agreement between our model prediction and experimental data for the reflection efficiency and spectral bandwidth were found. Limiting the aperture of GMRF below a few millimeters reduces the diffraction efficiency and increases the spectral bandwidth.

Citation Download Citation

Robert R. Boye and Raymond K. Kostuk "Effects of finite aperture on the performance of guided-mode resonant filters", Proc. SPIE 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems, (16 April 2001); https://doi.org/10.1117/12.424840

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