Title :
Single molecule detection with an optomechanical nanosensor
Author :
Wenyan Yu ; Wei Jiang ; Qiang Lin ; Tao Lu
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Victoria, Victoria, BC, Canada
Abstract :
We report 50-milli-Hertz-linewidth optomechanical oscillation of a silica microsphere immersed in a buffer solution. Using the microsphere as a nanosensor, single 10-nm-radius silica beads and Bovine serum albumin (BSA) protein molecules were detected.
Keywords :
biochemistry; biological techniques; chemical sensors; micro-optics; microsensors; molecular biophysics; nanobiotechnology; nanophotonics; nanosensors; optical sensors; photodetectors; proteins; radiation pressure; silicon compounds; spectral line breadth; BSA protein molecule detection; SiO2; bovine serum albumin; buffer solution; fifty-milli-hertz-linewidth optomechanical oscillation; optomechanical nanosensor; radius 10 nm; silica microsphere; Optical buffering; Optical fibers; Optical pumping; Optical resonators; Optical sensors; Oscillators; Silicon compounds;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
