Compact and efficient fiber-to-waveguide grating couplers in InP-membrane

F. Van Laere; M. Ayre; D. Taillaert; D. Van Thourhout; T. F. Krauss; R. Baets

doi:10.1117/12.668232

18 April 2006 Compact and efficient fiber-to-waveguide grating couplers in InP-membrane

F. Van Laere, M. Ayre, D. Taillaert, D. Van Thourhout, T. F. Krauss, R. Baets

Proceedings Volume 6182, Photonic Crystal Materials and Devices III (i.e. V); 61820W (2006) https://doi.org/10.1117/12.668232
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

Miniaturization and integration are key drivers for future optical communication networks. Nanophotonic components are very interesting for ultra-dense photonic circuits, but the coupling with the outside world remains an important problem. An attractive solution is provided by grating couplers. In this paper, we present the design and fabrication of compact and efficient grating couplers in InP-membrane, for coupling between nanophotonic waveguides and single mode fiber. A high vertical index contrast is achieved by wafer bonding. First components show a coupling efficiency of 30%.

Citation Download Citation

F. Van Laere, M. Ayre, D. Taillaert, D. Van Thourhout, T. F. Krauss, and R. Baets "Compact and efficient fiber-to-waveguide grating couplers in InP-membrane", Proc. SPIE 6182, Photonic Crystal Materials and Devices III (i.e. V), 61820W (18 April 2006); https://doi.org/10.1117/12.668232

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