Silicon Nitride Subwavelength Grating Metamaterial Waveguides Functionalized with Atomic Layer Deposited Al2O3 Cladding
2023 Photonics North (PN)(2023)
Abstract
We report on subwavelength grating metamaterial waveguides fabricated on a rapid prototyping silicon nitride foundry platform coated in aluminum oxide grown using a post-process atomic layer deposition system. We discuss the design of the metamaterial waveguides and report experimental results for the hybrid waveguide devices.
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Key words
subwavelength gratings,metamaterials,atomic layer deposition,aluminum oxide,silicon nitride,integrated photonics
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