Photonic Mixer Incorporating All-Optical Microwave Frequency Generator based on Stimulated Brillouin Scattering using Single Laser Source

Mohamed Alom, Shyqyri Haxha, Amar Aggoun

Research output: Contribution to journalArticlepeer-review


In this paper, we report the theoretical and experimental implementation of a photonic mixer for Radio-Over-Fiber (RoF) transmission systems, which incorporates an all-optical 10.87 GHz microwave frequency signal generator based on beating laser frequency with its first order Stimulated Brillouin Scattering (SBS) frequency shift. A 13GHz Radio Frequency (RF) is down-converted to 2.13 GHz Intermediate Frequency (IF) signal. The proposed system configuration represents a cost-effective photonic mixer that can be deployed for up and down conversion around 11 GHz in RoF transmission systems. The optically generated microwave signal of 10.87 GHz has a phase noise of -109 dBc/Hz at 15- MHz offset. The proposed photonic mixer exhibits a Spurious-Free Dynamic Range (SFDR) of 93dB.Hz 2/3. This RoF transmission system configuration deploys dual parallel Gallium Arsenide (GaAs) Mach Zehnder Modulator as a photonic mixer, and a single laser source as a Brillouin pump and as an optical carrier at the same time. To the best of our knowledge, this type of photonic mixers has not been reported in the literature.
Original languageEnglish
Article number2
Pages (from-to)37045-37051
Number of pages7
JournalIEEE Access
Publication statusE-pub ahead of print - 21 Feb 2020


  • Microwave Photonics
  • Radio Over Fibre
  • Stimulated Brillouin Scattering (SBS)
  • Photonic Mixer
  • Microwave Generator

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