Published November 24, 2020 | Version v1
Conference paper Open

Multi-cavity optoelectronic oscillators based on an integrated array of subwavelength grating waveguides

Authors/Creators

  • 1. McGill University
  • 2. Jilin University
  • 3. Universitat Politècnica de València

Description

We demonstrate experimentally an index-variable optical true time delay (OTTDL) based on an array of forty subwavelength grating (SWG) waveguides on silicon-on-insulator (SOI). Using the measured data and numerical simulations, we determine the oscillation spectra, phase noise, and frequency tuning of the multi-cavity OEOs. Moreover, the proposed SWG based multi-cavity OEOs do not require highly selective RF filters, which enables high performance of SWG based multi-cavity OEO.

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Additional details

Funding

European Commission
InnoSpace - Revolutionizing fibre-wireless communications through space-division multiplexed photonics 724663