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The characterization of ultra-broadband THz communication links and their corresponding building blocks requires versatile and sophisticated measurement instrumentation. Aside from classical frequency-domain characterization under continuous-wave conditions, including small- and large-signal analysis, the time-domain device evaluation under broadband complex modulated signals is crucial to enable accurate link-level performance prediction and precise system-level modelling of the frontend components. In this chapter, different measurement approaches and setups are discussed, including classical frequency-domain characterization based on vector network or spectrum analyzers as well as time-domain approaches using arbitrary waveform generators and real-time oscilloscopes. Additionally, the CrossLink measurement platform introduces novel capabilities for simultaneous time- and frequency-domain characterization.

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Metrology of mmW- and THz-Frequency- and Time-Domain Waveforms

  • 章节

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Dominik Wrana,
  • Benjamin Schoch,
  • Ingmar Kallfass,
  • David A. Humphreys

摘要

The characterization of ultra-broadband THz communication links and their corresponding building blocks requires versatile and sophisticated measurement instrumentation. Aside from classical frequency-domain characterization under continuous-wave conditions, including small- and large-signal analysis, the time-domain device evaluation under broadband complex modulated signals is crucial to enable accurate link-level performance prediction and precise system-level modelling of the frontend components. In this chapter, different measurement approaches and setups are discussed, including classical frequency-domain characterization based on vector network or spectrum analyzers as well as time-domain approaches using arbitrary waveform generators and real-time oscilloscopes. Additionally, the CrossLink measurement platform introduces novel capabilities for simultaneous time- and frequency-domain characterization.