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Proceedings Paper

Polymer and composite polymer slot waveguides
Author(s): Marianne Hiltunen; William S. Fegadolli; Hugo L. R. Lira; Pasi Vahimaa; Jussi Hiltunen; Sanna Aikio; Vilson R. Almeida; Pentti Karioja
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Paper Abstract

A fully polymer slot Young interferometer operating at 633 nm wavelength was fabricated by using nanoimprint molding method. The phase response of the interference pattern was measured with several concentrations of glucose-water solutions, utilizing both TE and TM polarization states. The sensor was experimentally found to detect a bulk refractive index change of 6.4×10-6 RIU. Temperature dependency of silicon slot waveguide has been demonstrated to be reduced with composite slot waveguide structure. The slot filled with thermally stable polymer having negative thermo-optic coefficient showed nearly an athermal operation of silicon slot waveguide. Experimental results show that the slot waveguide geometry covered with Ormocomp has thermo-optical coefficient of 6 pm/K.

Paper Details

Date Published: 1 May 2014
PDF: 8 pages
Proc. SPIE 9133, Silicon Photonics and Photonic Integrated Circuits IV, 91331G (1 May 2014); doi: 10.1117/12.2052251
Show Author Affiliations
Marianne Hiltunen, VTT Technical Research Ctr. of Finland (Finland)
William S. Fegadolli, California Insitite of Technology (United States)
Hugo L. R. Lira, Instituto de Estudos Avançados (Brazil)
Pasi Vahimaa, Univ. of Eastern Finland (Finland)
Jussi Hiltunen, VTT Technical Research Ctr. of Finland (Finland)
Sanna Aikio, VTT Technical Research Ctr. of Finland (Finland)
Vilson R. Almeida, Instituto Tecnológico de Aeronáutica (Brazil)
Pentti Karioja, VTT Technical Research Ctr. of Finland (Finland)

Published in SPIE Proceedings Vol. 9133:
Silicon Photonics and Photonic Integrated Circuits IV
Laurent Vivien; Seppo Honkanen; Lorenzo Pavesi; Stefano Pelli; Jung Hun Shin, Editor(s)

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