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Proceedings Paper

Compact and efficient fiber-to-waveguide grating couplers in InP-membrane
Author(s): F. Van Laere; M. Ayre; D. Taillaert; D. Van Thourhout; T. F. Krauss; R. Baets
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Paper 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%.

Paper Details

Date Published: 18 April 2006
PDF: 8 pages
Proc. SPIE 6182, Photonic Crystal Materials and Devices III (i.e. V), 61820W (18 April 2006); doi: 10.1117/12.668232
Show Author Affiliations
F. Van Laere, Ghent Univ.-IMEC (Belgium)
M. Ayre, Univ. of St. Andrews (United Kingdom)
D. Taillaert, Ghent Univ.-IMEC (Belgium)
D. Van Thourhout, Ghent Univ.-IMEC (Belgium)
T. F. Krauss, Univ. of St. Andrews (United Kingdom)
R. Baets, Ghent Univ.-IMEC (Belgium)


Published in SPIE Proceedings Vol. 6182:
Photonic Crystal Materials and Devices III (i.e. V)
Richard M. De La Rue; Pierre Viktorovitch; Ceferino Lopez; Michele Midrio, Editor(s)

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