Title :
Double resonance 1-D photonic crystal cavities for single-molecule mid-infrared photothermal spectroscopy
Author :
Lin, Hongtao ; Zou, Yi ; Hu, Juejun
Author_Institution :
Dept. of Mater. Sci. & Eng., Univ. of Delaware, Newark, DE, USA
Abstract :
We propose a mid-infrared spectroscopic technique capable of detecting a single small molecule without using cryogenically cooled detectors. Such record sensitivity is attained by leveraging dramatically amplified photothermal effects in a pump-probe doubly resonant cavity.
Keywords :
infrared spectroscopy; nanophotonics; photonic crystals; photothermal spectroscopy; cryogenically cooled detector; double resonance 1D photonic crystal cavity; pump probe doubly resonant cavity; single small molecule detection; single-molecule midinfrared photothermal spectroscopy; Absorption; Cavity resonators; Glass; Optical pumping; Optical sensors; Probes; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
