articleTop 10% cited
Compact Focusing Grating Couplers for Silicon-on-Insulator Integrated Circuits
IEEE Photonics Technology Letters · 2007 · Vol. 19(23) · pp. 1919–1921
Frederik Van Laere✉(Ghent University)Tom Claes(Ghent University)Jonathan Schrauwen(Ghent University)Stijn Scheerlinck(Ghent University)Wim Bogaerts(Ghent University)Dirk Taillaert(Ghent University)Liam O’Faoláin(University of St Andrews)Dries Van Thourhout(Ghent University)Roel Baets(Ghent University)
Abstract
We report experimental results on compact and broadband focusing grating couplers, both in silicon-on-insulator (SOI) and gold on SOI. An eight-fold length reduction of the coupling structure from fiber to photonic wire in SOI, as compared to a linear grating and adiabatic taper, is obtained, without performance penalty. A proof of principle is given for a focusing grating coupler in gold on SOI, with 20% fiber-to-focus efficiency.
Photonic and Optical DevicesOptical Coatings and GratingsAdvanced Surface Polishing TechniquesSilicon on insulatorGratingOpticsMaterials scienceBroadbandPhotonic integrated circuitOptoelectronicsPhotonicsSilicon photonicsDiffraction grating
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References
Low loss mode size converter from 0.3 µm square Si wire waveguides to singlemode fibres
Electronics Letters · 2002 · 458 citations
Grating Couplers for Coupling between Optical Fibers and Nanophotonic Waveguides
Japanese Journal of Applied Physics · 2006 · 678 citations
Nanophotonic waveguides in silicon-on-insulator fabricated with CMOS technology
Journal of Lightwave Technology · 2005 · 850 citations
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