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  • OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
  • OSA Technical Digest (Optica Publishing Group, 2020),
  • paper NpW1E.2
  • https://doi.org/10.1364/NP.2020.NpW1E.2

Nonreciprocal Silicon Photonic Coupler Exploiting Graphene Saturable Absorption

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Abstract

We present a broadband half-duplex high-power photonic isolator using the exceptional point in a non-Hermitian nonlinear silicon slot coupler. The concept relies on spatially asymmetric saturable losses, by overlaying one waveguide with graphene.

© 2020 The Author(s)

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