Characterization of a photonic active integrated antenna using a direct off-air transmission technique

Bilal A. Khawaja*, Martin J. Cryan

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

Abstract

This article presents a characterization study of a state-of-the-art 40 GHz mode-locked laser using a hybrid integrated microstrip patch antenna and bias-T circuit. A passive mode-locking range of 300 MHz is measured using this technique by tuning the gain and saturable absorber bias values for a maximum wireless distance of 15 cm. The passive mode-locking signal is detected by a direct off-air method from a photonic active integrated antenna. This signal can be used as a remote local oscillator to downconvert incoming signals as part of a bidirectional system for in-building/campus wide remote antenna units in next generation millimetre-wave radio-over-fibre systems.

Original languageEnglish
Pages (from-to)232-236
Number of pages5
JournalPhotonic Network Communications
Volume28
Issue number3
DOIs
Publication statusPublished - 17 Oct 2014

Keywords

  • Millimetre-wave
  • Mode-locked laser (MLL)
  • Passive mode-locking (PML)
  • Photonic active integrated antenna (PhAIA)
  • Radio-over-fibre (RoF) system
  • Remote antenna units (RAU)

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