Programmable modular photonic integrated switches for beyond 5G metro optical networks

N. Calabretta, N. Tessema, K. Prifti, A. Rasoulzadehzali, Yu Wang, S. Bhat, Giovanni Delrosso, Timo Aalto, R. Stabile

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)


An SDN reconfigurable metro-access network based on modular photonic integrated ROADM nodes with edgecomputing for beyond 5G application is demonstrated. Multi-degree switching ROADM nodes are used at the metrocore level, while access network is constituted by low-cost 2-degree ROADM nodes. Network scalability per node is met via a modular design where new modules are added in a pay-as-you grow manner to meet capacity demands. We present PIC for wavelength selective switches used in the metro-core network. Two distinct integration approaches i.e. monolithic on InP and hybrid integration of SiPh with InP are followed to enable low loss switching.
Original languageEnglish
Title of host publicationSmart Photonic and Optoelectronic Integrated Circuits XXIII
EditorsSailing He, Laurent Vivien
PublisherInternational Society for Optics and Photonics SPIE
ISBN (Print)978-1-5106-4215-7
Publication statusPublished - 2021
MoE publication typeA4 Article in a conference publication
EventSmart Photonic and Optoelectronic Integrated Circuits XXIII 2021 - Virtual, Online, United States
Duration: 6 Mar 202111 Mar 2021

Publication series

SeriesProceedings of SPIE - The International Society for Optical Engineering


ConferenceSmart Photonic and Optoelectronic Integrated Circuits XXIII 2021
Country/TerritoryUnited States
CityVirtual, Online


The authors would like to thank the European Union's Horizon 2020 research and innovation programme under grant agreement PASSION No 780326 for supporting this work.


  • Fast wavelength selective switches
  • hybrid photonic circuits
  • metro optical networks
  • photonic integrated devices
  • photonic switching circuits
  • semiconductor optical amplifiers


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