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Proceedings Paper

Optoelectronic control of coplanar transmission lines up to 110 GHz
Author(s): Johan H. Stiens; Gert Poesen; Gaetan Koers; Pascal Simon; Jean-Pierre Raskin; Isabelle Huynen; Walter De Raedt; Roger A. Vounckx
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Paper Abstract

Lumped circuit and 3D-electromagnetic models are presented for a photo-induced plasma that induces local changes in the dielectric properties of a coplanar waveguide transmission line to switch millimeter waves, propagating along transmission lines on BCB coated high resistive silicon substrates. Measurements up to 110 GHz are compared with the various developed models. The insertion loss of these transmission lines was only 1 dB/mm at 100 GHz. The modulation of S21 was about 40 dB at 110 GHz for an optical power of 60 mW focused on one slot between signal and ground. S11 could only be fitted with a lumped circuit model when introducing a frequency dependent impedance was introduced.

Paper Details

Date Published: 1 September 2004
PDF: 8 pages
Proc. SPIE 5466, Microwave and Terahertz Photonics, (1 September 2004); doi: 10.1117/12.548949
Show Author Affiliations
Johan H. Stiens, Vrije Univ. Brussel (Belgium)
Gert Poesen, Vrije Univ. Brussel (Belgium)
IMEC (Belgium)
Gaetan Koers, Vrije Univ. Brussel (Belgium)
Pascal Simon, Univ. Catholique de Louvain (Belgium)
Jean-Pierre Raskin, Univ. Catholique de Louvain (Belgium)
Isabelle Huynen, Univ. Catholique de Louvain (Belgium)
Walter De Raedt, IMEC (Belgium)
Roger A. Vounckx, Vrije Univ. Brussel (Belgium)


Published in SPIE Proceedings Vol. 5466:
Microwave and Terahertz Photonics
Andreas Stohr; Dieter Jager; Stavros Iezekiel, Editor(s)

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