Title :
Refractive index engineering with subwavelength gratings in silicon microphotonic waveguides
Author :
Schmid, J.H. ; Cheben, P. ; Bock, P.J. ; Lapointe, J. ; Janz, S. ; Delâge, A. ; Densmore, A. ; Hall, T.J. ; Lamontagne, B. ; Ma, R. ; Xu, D. -X
Author_Institution :
Inst. for Microstruct. Sci., Nat. Res. Council Canada, Ottawa, ON, Canada
Abstract :
We present a method of engineering the waveguide core refractive index locally on a silicon photonic chip using subwavelength gratings. Applications such as efficient waveguide crossings, fiber-chip couplers and multiplexer circuits are discussed.
Keywords :
diffraction gratings; elemental semiconductors; integrated optics; micro-optics; multiplexing equipment; optical design techniques; optical fibre couplers; optical waveguides; refractive index; silicon; Si; efficient waveguide crossings; fiber-chip couplers; multiplexer circuits; refractive index engineering; silicon microphotonic waveguides; silicon photonic chip; subwavelength gratings; Indexes; Optical waveguides; Photonics; Refractive index; Silicon; Wire;
Conference_Titel :
Winter Topicals (WTM), 2011 IEEE
Conference_Location :
Keystone, CO
Print_ISBN :
978-1-4244-8428-7
DOI :
10.1109/PHOTWTM.2011.5730090
