Title :
On-chip gas detection in silicon optical microcavities
Author :
Robinson, Jacob T. ; Chen, Long ; Lipson, Michal
Author_Institution :
Sch. of Electr. & Comput. Eng., Cornell Univ., Ithaca, NY
Abstract :
We detect acetylene gas on a silicon chip using photonic microcavities and a chip-scale gas cell. We measure refractive index differences as small as 10-4 between air and acetylene at varying pressures in the near-IR.
Keywords :
gas sensors; microcavities; refractive index; silicon; acetylene gas; chip-scale gas cell; on-chip gas detection; photonic microcavities; refractive index; silicon optical microcavities; Microcavities; Optical detectors; Optical refraction; Optical resonators; Optical sensors; Optical variables control; Optical waveguides; Resonance; Silicon; Wavelength measurement; (130.6010) Sensors; (230.5750) Resonators; (280.4788) Optical sensing and sensors;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
