Title :
Nanobeam photonic crystal cavity based multifunctional gas-phase chemical sensor
Author :
Yu Chen ; Fegadolli, William S. ; Jones, Maxwell ; Scherer, Axel ; Mo Li
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Minnesota, Minneapolis, MN, USA
Abstract :
By applying chemical functionalization to a nanobeam photonic crystal cavity, an ultrasensitive gas-phase chemical sensor was demonstrated. Its nonlinear thermo-optical bi-stability is utilized to realize a novel threshold detector for cumulative chemical exposure.
Keywords :
chemical sensors; nanophotonics; nanosensors; optical bistability; photonic crystals; thermo-optical effects; chemical functionalization; cumulative chemical exposure; multifunctional gas-phase chemical sensor; nanobeam photonic crystal cavity; nonlinear thermooptical bistability; threshold detector; ultrasensitive gas-phase chemical sensor; Cavity resonators; Optical bistability; Optical imaging; Optical polymers; Optical sensors; Photonic crystals; Q-factor;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
