Group velocities in coplanar strip transmission lines on Si and Si/SiO2/Si substrates measured using differential electro-optic sampling

Erli Chen, Stephen Y. Chou

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

The group velocities in coplanar strip transmission lines on Si and Si/SiO2/Si substrates were compared experimentally and theoretically. To ensure the experimental accuracy, a differential electro-optic sampling system with a delay-time resolution of 30 fs and a spatial resolution of 1 μm has been developed. Compared with the group velocity on a Si substrate, the group velocity on a Si/SiO2/Si substrate with a 2.2 μm SiO2 layer was found to be 10% faster, which agrees well with the theoretical prediction.

Original languageEnglish (US)
Pages (from-to)2861-2863
Number of pages3
JournalApplied Physics Letters
Volume69
Issue number19
DOIs
StatePublished - Nov 4 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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