Subwavelength-Grating Metamaterial Integrated Devices For The Near-And Mid-Infrared Wavelengths
INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XXV(2021)
Abstract
The subwavelength patterning of planar structures is now widely used in silicon photonics, enabling the synthesis of metamaterials with engineered optical properties, including refractive index, dispersion, and anisotropy. A wide range of integrated devices based on subwavelength grating (SWG) metamaterials have been demonstrated at telecom wavelengths, some with unprecedented performance. The benefits of SWG metamaterials can be leveraged not only in the typical telecom near-infrared bands, but also at the longer mid-infrared wavelengths. In this invited presentation, we will review our latest developments in SWG-based silicon and germanium photonic devices for the near- and the mid-infrared.
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Key words
Silicon photonics, Integrated optics, Subwavelength gratings, Metamaterials, Near-infrared, Mid-infrared, Waveguides, Off-chip couplers
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