Silicon nitride integrated optical beamforming network for millimeter wave photonics systems

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Abstract

This work presents the design of a mathbf{1x4} optical true time delay beamforming network integrated into a Si3N4photonic chip for hybrid millimeter wave/photonic systems. The spectral periodicity of a ring resonator-based tree structure is exploited to provide simultaneously the same delay configuration to different gigabit optical channels, increasing the effective beamforming bandwidth. The free spectral range is fixed to 33.3 GHz to assure the combability with wavelength division multiplexing applications. The simulation results show that the progressive delay between outputs can be continuously tuned from 0 ps to 20 ps. These values assure the operation at 60 GHz band.

Original languageEnglish
Title of host publication2018 48th European Microwave Conference, EuMC 2018
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages785-788
Number of pages4
ISBN (Electronic)9782874870514
DOIs
Publication statusPublished - 20 Nov 2018
Event48th European Microwave Conference, EuMC 2018 - Madrid, Spain
Duration: 25 Sep 201827 Sep 2018

Conference

Conference48th European Microwave Conference, EuMC 2018
CountrySpain
CityMadrid
Period25/09/1827/09/18

Keywords

  • beam steering
  • millimeter wave communication
  • Photonic integrated circuits
  • radio access networks

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