Title :
Double resonance 1-D glass-on-silicon photonic crystal cavities for single-molecule mid-infrared photothermal spectroscopy: Theory and design
Author :
Lin, Hongtao ; Zou, Yi ; Hu, Juejun
Author_Institution :
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 detectors; infrared spectroscopy; integrated optics; optical design techniques; optical glass; optical pumping; photonic crystals; photothermal spectroscopy; Si; amplified photothermal effects; double resonance 1D glass-on-silicon photonic crystal cavities; pump-probe doubly resonant cavity; single-molecule midinfrared photothermal spectroscopy; Absorption; Cavity resonators; Glass; Optical pumping; Optical saturation; Optical sensors; Probes; Resonators; glass; infrared spectroscopy; integrated optics; mid-infrared photonics; photonic crystals;
Conference_Titel :
Group IV Photonics (GFP), 2012 IEEE 9th International Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4577-0826-8
DOI :
10.1109/GROUP4.2012.6324110
