Add/drop filter using in-plane slanted gratings in azo polymers

We have fabricated in-plane slanted gratings on azo-functionalized polymeric films using a fast, direct-writing method. By properly adjusting the resonance, these gratings can be used as 90 degrees integrated reflectors and add/drop filters in the plane of the film. We have produced an attenuation o...

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Veröffentlicht in:Optics letters 2008-09, Vol.33 (18), p.2152-2154
Hauptverfasser: KARIMI-ALAVIJEH, Hamidreza, BAGHBAN, Mohammad-Amin, PARSANASAB, Gholam-Mohammad, SARAILOU, Edris, GHARAVI, Alireza, JAVADPOUR, Sirus
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Sprache:eng
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Zusammenfassung:We have fabricated in-plane slanted gratings on azo-functionalized polymeric films using a fast, direct-writing method. By properly adjusting the resonance, these gratings can be used as 90 degrees integrated reflectors and add/drop filters in the plane of the film. We have produced an attenuation of 14.8 dB at 1560.2 nm with a FWHM of 6.47 nm. Also, a signal of 1548 nm wavelength was added to the output from a different direction. Any light shifted from the resonance will pass through the filter undisturbed.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.33.002152