Article Dans Une Revue IEEE Transactions on Terahertz Science and Technology Année : 2025

An Interlaboratory Comparison of On-Wafer S-Parameter Measurements up to 1.1 THz

Gavin Fisher
  • Fonction : Auteur

Résumé

This paper reports on an interlaboratory measurement comparison involving on-wafer S-parameter measurements from 10 GHz to 1.1 THz. Seven laboratories are involved, and each participant has measured an individual reference substrate fabricated from a high-resistivity silicon wafer in the same batch. One- and two-port co-planar waveguide (CPW) structures are designed, simulated, and fabricated. The measurements from 10 GHz to 1.1 THz, extending across six frequency bands, are conducted using different equipment in terms of vendors and specifications (e.g., probe pitch size). Despite such differences, this interlaboratory study has shown a generally good agreement between results from different participants when uncertainties are considered. The comparison with simulated reference values demonstrates agreement within 0.08 for |S11| and 2 dB for |S21| measurements of matched devices up to 1.1 THz. The measurement comparison demonstrates the need for a standardized measurement approach and, with that, a potential to achieve accurate on-wafer CPW measurements up to THz frequencies, underpinning the development of integrated circuits for such high frequencies.

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Dates et versions

hal-04926307 , version 1 (23-05-2025)

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Faisal Mubarak, Gia Ngoc Phung, Uwe Arz, Kamel Haddadi, Isabelle Roch-Jeune, et al.. An Interlaboratory Comparison of On-Wafer S-Parameter Measurements up to 1.1 THz. IEEE Transactions on Terahertz Science and Technology, 2025, pp.1-16. ⟨10.1109/TTHZ.2025.3537461⟩. ⟨hal-04926307⟩
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