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Proceedings Paper

SiN-assisted polarization-insensitive multicore fiber to silicon photonics interface
Author(s): Giannis N. Poulopoulos; Dimitrios Kalavrouziotis; Paul Mitchell; John R. Macdonald; Paraskevas Bakopoulos; Hercules Avramopoulos
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Paper Abstract

We demonstrate a polarization-insensitive coupler interfacing multicore-fiber (MCF) to silicon waveguides. It comprises a 3D glass fanout transforming the circular MCF core-arrangement to linear and performing initial tapering, followed by a Spot-Size-Converter on the silicon chip. Glass waveguides are formed of multiple overlapped modification elements and appropriate offsetting thereof yields tapers with symmetric cross-section. The Spot-Size-Converter is an inverselytapered silicon waveguide with a tapered polymer overcladding where light is initially coupled, whereas phase-matching gradually shifts it towards the silicon core. Co-design of the glass fanout and Spot-Size-Converter obtains theoretical loss below 1dB for the overall Si-to-MCF transition in both polarizations.

Paper Details

Date Published: 1 June 2015
PDF: 16 pages
Proc. SPIE 9520, Integrated Photonics: Materials, Devices, and Applications III, 95200E (1 June 2015); doi: 10.1117/12.2179077
Show Author Affiliations
Giannis N. Poulopoulos, National Technical Univ. of Athens (Greece)
Dimitrios Kalavrouziotis, National Technical Univ. of Athens (Greece)
Paul Mitchell, Optoscribe Ltd. (United Kingdom)
John R. Macdonald, Optoscribe Ltd. (United Kingdom)
Paraskevas Bakopoulos, National Technical Univ. of Athens (Greece)
Hercules Avramopoulos, National Technical Univ. of Athens (Greece)


Published in SPIE Proceedings Vol. 9520:
Integrated Photonics: Materials, Devices, and Applications III
Jean-Marc Fédéli, Editor(s)

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