Design and characterization of spot size converters for integration in InP-based photonic integrated circuits

D. D'Agostino, M.S. Tahvili, M.J. Trainor, D. McCullogh, H.P.M.M. Ambrosius, M.K. Smit

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Abstract

We report on design and measurement of a series of spot-size converters (SSCs) for adapting the optical mode size in an InP-based photonic integrated circuit. SSCs are designed to transfer the mode of a 0.6mm-thick high-contrast waveguide to that of a 3mm-thick low-contrast waveguide below the core layer using a vertical taper. Fabrication of the taper is compatible with the standard processing and coupling loss values below 1dB have been achieved. Based on the experimental results we have designed an improved structure which enables adiabatic vertical coupling for taper lengths below 1mm. The simulation results predict losses below 0.5dB
Original languageEnglish
Title of host publicationProceedings of the 16th Annual symposium of the IEEE Photonics Benelux Chapter, 01-02 December 2011, Ghent, Belgium
Place of PublicationGhent, Belgium
PublisherUniversiteit Gent
Pages209-212
ISBN (Print)978-90-85784-67-8
Publication statusPublished - 2011
Event16th Annual Symposium of the IEEE Photonics Benelux Chapter, December 1-2, 2011, Ghent, Belgium - Ghent, Belgium
Duration: 1 Dec 20112 Dec 2011
http://www.photonics-benelux.org/symp11/

Conference

Conference16th Annual Symposium of the IEEE Photonics Benelux Chapter, December 1-2, 2011, Ghent, Belgium
CountryBelgium
CityGhent
Period1/12/112/12/11
Internet address

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