Title :
Determination of waveguide core and cladding refractive indices using single wavelength microring reflectors
Author :
Arbabi, Amir ; Goddard, Lynford L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
We present a method for accurate determination of refractive indices of waveguide core and cladding layers using reflective microrings. The resonant mode azimuthal order ambiguity is resolved by introducing a grating on the microrings.
Keywords :
cladding techniques; diffraction gratings; micro-optics; optical waveguides; cladding layers; cladding refractive indices; grating; reflective microrings; resonant mode azimuthal order; single wavelength microring reflectors; waveguide core; Distributed Bragg reflectors; Fabrication; Materials; Optical waveguides; Reflection; Refractive index; Wavelength measurement; Integrated optics devices; Optical materials; Optical resonators;
Conference_Titel :
Photonics Conference (IPC), 2012 IEEE
Conference_Location :
Burlingame, CA
Print_ISBN :
978-1-4577-0731-5
DOI :
10.1109/IPCon.2012.6358588
