Abstract

The potential applications of optical resonant filters for optical communication systems can be significant. Three approaches to achieve a close-to-rectangle filtering profile for optical resonant filter were investigated and proven experimentally. The combination of the filtering sharpness, which comes from the resonance nature, and a flattened filtering window realized the close-to-rectangle filtering profile that can enhance the bandwidth efficiency.

© 2004 Optical Society of America

Reliable fabrication technologies for optical resonant filters

Rabi Rabady and Ivan Avrutsky
Appl. Opt. 42(22) 4499-4504 (2003)

Experimental characterization of simultaneous spatial and spectral filtering by an optical resonant filter

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Fabrication of advanced Bragg gratings with complex apodization profiles by use of the polarization control method

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