Methods for Measuring the RF Half-wave Voltage of LiNbO3 Optical Modulators

Y Di, Peter Gardner, Hooshang Ghafouri-Shiraz

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We present methods to measure the RF half-wave voltage V-pi(f) using a photodetector and an RF spectrum analyzer based oil (i) the nonlinear response and (it) the two-point technique. The results obtained from these methods for an LiNbO3 Mach-Zehnder optical modulator at 6.3 GHz are compared and good agreement is found between all the methods. Also, measurement methods based on optical-spectrum techniques, namely, the optical response and two-tone methods, are analyzed. An error analysis shows that the new and simpler techniques proposed offer similar levels of measurement uncertainty. (c) 2005 Wiley Periodicals, Inc.
Original languageEnglish
Pages (from-to)440-443
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume46
Issue number5
DOIs
Publication statusPublished - 5 Sept 2005

Keywords

  • RF half-wave voltage
  • LiNbO3 optical modulator
  • optical response

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