Title :
Enhancing the sensitivity limit of the Whispering Gallery Mode Biosensor through sub-wavelength confinement of light
Author :
Gaathon, O. ; Culic-Viskota, J. ; Mihnev, M. ; Teraoka, I. ; Arnold, S.
Author_Institution :
Polytech. Univ., Brooklyn
Abstract :
We demonstrate an optical means for enhancing the sensitivity of a whispering gallery mode biosensor by more than 700% through sub-wavelength confinement produced by drawing light closer to the surface using a high index nano-layer.
Keywords :
biosensors; fibre optic sensors; nanostructured materials; refractive index; whispering gallery modes; evanescent wave sensors; high-index nano-layer; sub-wavelength light confinement; whispering gallery mode biosensor; Biomedical optical imaging; Biosensors; Frequency; Nanobioscience; Optical resonators; Optical sensors; Optical surface waves; Polarization; Silicon compounds; Whispering gallery modes;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453153
