Photonic downconversion for coherent phase-modulated radio-over-fiber links using free-running local oscillator

Antonio Caballero Jambrina, Darko Zibar, Christian G. Schäffer, Idelfonso Tafur Monroy

Research output: Contribution to journalJournal articlepeer-review

Abstract

A digital coherent receiver employing photonic downconversion is presented and experimentally demonstrated for phase-modulated radio-over-fiber optical links. Photonic downconversion adds additional advantages to optical phase modulated links by allowing demodulation of signals with RF carrier frequencies exceeding the bandwidth of electrical analog-to-digital converter. High spurious-free dynamic range is observed for RF carriers at 5GHz photonically downconverted to 1GHz.
Original languageEnglish
JournalOptical Fiber Technology
Volume17
Issue number4
Pages (from-to)263-266
ISSN1068-5200
DOIs
Publication statusPublished - 2011

Keywords

  • Radio-over-fiber
  • Phase-modulation
  • Coherent detection

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