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Proceedings Paper

Silicon/electro-optic polymer hybrid directional coupler switch
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Paper Abstract

A silicon waveguide in an electro-optic (EO) polymer cladding-based directional coupler switch was designed and fabricated. Optimal dimensions for efficient coupling and minimal crosstalk are found analytically (coupled mode theory) and numerically for 1550nm wavelength. Both coplanar electrode spacing and height are taken into account for most effective poling conditions and performance. The design consists of two 255nm wide waveguides separated by 500nm and is optimized for TE propagation. With an electrode separation of 4μm and coupling length of 1.7cm, a switching voltage (Vs) < 10V at an r33 of 250pm/V is expected.

Paper Details

Date Published: 8 March 2014
PDF: 8 pages
Proc. SPIE 8991, Optical Interconnects XIV, 89910Q (8 March 2014); doi: 10.1117/12.2040068
Show Author Affiliations
Oscar D. Herrera, The Univ. of Arizona (United States)
Roland Himmelhuber, The Univ. of Arizona (United States)
Kyung-Jo Kim, The Univ. of Arizona (United States)
Robert A. Norwood, The Univ. of Arizona (United States)
Nasser Peyghambarian, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 8991:
Optical Interconnects XIV
Henning Schröder; Ray T. Chen; Alexei L. Glebov, Editor(s)

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