Diffraction enhancement via Bloch Surface Waves in a-SiN:H multilayers

Author

Liscidini, Marco ; Galli, Matteo ; Patrini, Maddalena ; Loo, Richard ; Goh, Cynthia ; Ricciardi, Carlo ; Giorgis, Fabrizio ; Sipe, J.E.

Author_Institution

Dept. of Phys., Univ. of Toronto, Toronto, ON, Canada

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

Using the excitation of a Bloch Surface Wave (BSW), we demonstrate a 45-fold diffraction enhancement for a protein grating printed on a-SiN:H multilayers. This may lead to a new generation of high sensitivity diffraction-based biosensors.

Keywords

biosensors; diffraction gratings; hydrogen; optical multilayers; optical sensors; proteins; silicon compounds; surface electromagnetic waves; BSW excitation; Bloch surface waves; SiN:H; amorphous silicon nitride multilayer; diffraction enhancement; diffraction-based biosensor; protein grating imprinted multilayers; Absorption; Biosensors; Diffraction gratings; Electromagnetic diffraction; Nonhomogeneous media; Optical diffraction; Optical sensors; Optical surface waves; Proteins; Surface waves; (230.1950) Diffraction gratings; (230.5298) Photonic Crystals; (280.4788) Optical sensing and sensors;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224780