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Proceedings Paper

Air-suspended polymer rib waveguides
Author(s): Christoph Prokop; Philipp Kleeßen; Nico Irmler; Arnan Mitchell; Christian Karnutsch
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Paper Abstract

In order to achieve a high refractive index contrast for air-suspended photonic devices, we present a method for laminating thin polymer films onto structured polymer layers that exhibit an air cavity. By using a flat PDMS stamp, polymer films can be transferred over areas of several hundred square microns. On top of the air-suspended slab a second layer of photoresist can be spun and subsequently every desired photonic structure can be defined by using standard photolithography. Here, to demonstrate the feasibility of our lamination method for polymer photonic devices, we present optical modeling and experimental results of air-suspended single mode rib waveguides. Waveguiding is shown for visible and infrared light and a beam profile for λ = 1550 nm is presented that underpins single mode behavior of the rib waveguide.

Paper Details

Date Published: 27 February 2015
PDF: 9 pages
Proc. SPIE 9365, Integrated Optics: Devices, Materials, and Technologies XIX, 93650T (27 February 2015); doi: 10.1117/12.2079207
Show Author Affiliations
Christoph Prokop, Hochschule Karlsruhe Technik und Wirtschaft (Germany)
RMIT Univ. (Australia)
Philipp Kleeßen, Hochschule Karlsruhe Technik und Wirtschaft (Germany)
Nico Irmler, Hochschule Karlsruhe Technik und Wirtschaft (Germany)
Arnan Mitchell, RMIT Univ. (Australia)
Christian Karnutsch, Hochschule Karlsruhe Technik und Wirtschaft (Germany)


Published in SPIE Proceedings Vol. 9365:
Integrated Optics: Devices, Materials, and Technologies XIX
Jean-Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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