Exploiting metamaterials, plasmonics and nanoantennas concepts in silicon photonics
arXiv:2001.02003 · doi:10.1088/2040-8978/18/12/123001
Abstract
The interaction of light with subwavelength metallic nano-structures is at the heart of different current scientific hot topics, namely plasmonics, metamaterials and nanoantennas. Research in these disciplines during the last decade has given rise to new, powerful concepts providing an unprecedented degree of control over light manipulation at the nanoscale. However, only recently have these concepts been used to increase the capabilities of light processing in current photonic integrated circuits (PICs), which traditionally rely only on dielectric materials with element sizes larger than the light wavelength. Amongst the different PIC platforms, silicon photonics is expected to become mainstream, since manufacturing using well-established CMOS processes enables the mass production of low-cost PICs. In this review we discuss the benefits of introducing recent concepts arisen from the fields of metamaterials, plasmonics and nanoantennas into a silicon photonics integrated platform. We review existing works in this direction and discuss how this hybrid approach can lead to the improvement of current PICs enabling novel and disruptive applications in photonics.
arXiv comment20 pages, 8 figures
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- Polarization-Insensitive Integration of Nanoparticle-on-a-Slit Cavities with Dielectric Waveguides for On-chip Surface Enhanced Raman Spectroscopy
- Enhanced excitation and readout of plasmonic cavity modes in NPoM via SiN waveguides for on-chip SERS