Title :
High-contrast grating resonator for label-free biosensors
Author :
Tianbo Sun ; Shu Kan ; Marriot, Gerard ; Chang-Hasnain, Connie
Author_Institution :
EECS Dept., Univ. of California, Berkeley, Berkeley, CA, USA
Abstract :
We present a novel label-free biosensor key to which is a Si-based high-contrast grating resonator with Q~3000. The biosensor is coupled to a single-mode fiber and is shown to detect target proteins with a sensitivity of 100pg/ml.
Keywords :
biological techniques; biosensors; diffraction gratings; elemental semiconductors; fibre optic sensors; molecular biophysics; optical resonators; proteins; silicon; Si; Si-based high-contrast grating resonator; label-free biosensor; single-mode fiber; target protein detection; Biosensors; Gratings; Optical fiber sensors; Optical resonators; Optical surface waves; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
