Proposal for Multiport Photon Routing Using Photonic Crystal Cavity Phase Shifters

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Abstract

Using photonic integrated circuits for signal processing on a large number of channels is becoming increasingly important in applications such as optical interconnects in data centers and hardware accelerators in neuromorphic computing. Universal transformations on $N$ channels may be implemented using Mach-Zehnder interferometer meshes and lithium niobate on insulator offers a high bandwidth platform. However, the weak electro-optic effect makes low-voltage phase shifters very large [1]. Resonant structures based on photonic crystal (PhC) cavities enable low-voltage operation at significantly smaller footprints [2], but it remains an outstanding challenge to cascade them into multiport devices.
Original languageEnglish
Publication date30 Jun 2023
Number of pages1
DOIs
Publication statusPublished - 30 Jun 2023
Event2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference - Munich, Germany, Munich, Germany
Duration: 26 Jun 202330 Jun 2023

Conference

Conference2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference
LocationMunich, Germany
Country/TerritoryGermany
CityMunich
Period26/06/202330/06/2023

Keywords

  • Low voltage
  • Optical interconnections
  • Neuromorphic engineering
  • Phase shifters
  • Photonic integrated circuits
  • Photonic crystals
  • Signal processing

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