We present the ambient refractive index sensing characteristics of highly sensitive Au-Ag surface gratings written on a planar waveguide. An exact coupled-mode-theory has been used to study the power coupling from guided mode to Surface-Plasmon-Polariton.
© 2010 The Optical Society
(130.0130) Integrated optics : Integrated optics
(130.6010) Integrated optics : Sensors
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
S. M. Tripathi, A. Kumar, E. Marin, and J. Meunier, "Refractive Index Sensing Characteristics of Alternate Au-Ag Surface Gratings on Optical Waveguides," in Advanced Photonics & Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper BTuC6.