Title :
High sensitivity biosensing based on symmetric coupled cavity structure of photonic crystal microcavities
Author :
Cheng-Chih Hsieh ; Chakravarty, Sumit ; Yi Zou ; Liang Zhu ; Chen, Ray T.
Author_Institution :
Dept. Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We demonstrate that coupled cavity-waveguide architectures can lead to enhanced experimentally measured detection limit of 300 fM (20pg/ml) for sensing the binding of avidin to biotin in photonic crystal micro-cavity based biosensor.
Keywords :
biosensors; micro-optics; microcavities; microsensors; molecular biophysics; optical sensors; optical waveguides; photonic crystals; proteins; avidin-biotin binding; biosensor; coupled cavity-waveguide architectures; enhanced experimentally measured detection limit; high sensitivity biosensing; photonic crystal microcavities; symmetric coupled cavity structure; Biosensors; Cavity resonators; Microcavities; Optical waveguides; Photonic crystals; Probes; Sensitivity;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
