105-GHz bandwidth optical-to-electrical conversion stimulus probe head employing a unitraveling-carrier photodiode

Taiichi Otsuji, Nabil Sahri, Naofumi Shimizu, Tadao Nagatsuma, Tadao Ishibashi

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

An optical-to-electrical conversion stimulus probe head that employs a unitraveling-carrier photodiode (UTC-PD) and a quartz coplanar-waveguide (CPW) transmission line has been developed. The fabricated probe head offers the minimum full-width at half-maximum of 2.85 ps corresponding to a -3-dB bandwidth of 105 GHz for optimum incident power and bias conditions. A monotonically gradual attenuation to -20 dB over the frequencies of up to 350 GHz was obtained with the small group delay dispersion of < ±0.1 ps. The responsivity was 0.13 A/W. The saturation output voltage at 1-dB compression was 800 mVp-p. This probe head can be utilized for both pulse-pattern excitation at up to 100 Gb/s and impulse excitation for 350-GHz-bandwidth network measurements.

Original languageEnglish
Pages (from-to)1033-1035
Number of pages3
JournalIEEE Photonics Technology Letters
Volume11
Issue number8
DOIs
Publication statusPublished - 1999 Aug
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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