A W-band transition from coplanar waveguide to rectangular waveguide

A W-band transition from coplanar waveguide to rectangular waveguide

This paper presents conversion from coplanar waveguide (CPW) to fundamental rectangular waveguide mode for millimeter-wave applications. The transition is designed using cosine shaped fin to give broadband operation. It provides an efficient solution to in-line integration with optoelectronic device...

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Hauptverfasser: Shireen, R., Shi, S., Yao, P., Schuetz, C.A., Macario, J., Prather, D.W.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Coplanar waveguides
Electrodes
Lithium niobate
Optical waveguides
Rectangular waveguides
Transmission line measurements
Waveguide transitions
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Beschreibung
Zusammenfassung:This paper presents conversion from coplanar waveguide (CPW) to fundamental rectangular waveguide mode for millimeter-wave applications. The transition is designed using cosine shaped fin to give broadband operation. It provides an efficient solution to in-line integration with optoelectronic devices on lithium niobate for the applications of millimeter-wave to optical signal processing. Optimization of the model is carried out using 3-D finite element method solver HFSS by Ansoft Corporation. Measurements of a fabricated device have yielded return loss below -15 dB and insertion loss about -3.5 dB over full W-band (75-110 GHz).
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2008.4619920