Fig. 9

Nanoplasmonics integrated with guided-wave nanophotonics. a Nanoplasmonics-based CO₂ sensor (Reproduced with permission from [174]). b Nanoplasmonic hotspots excited by light propagating in a dielectric waveguide (Reproduced with permission from [185]). c Near-field nanoplasmonics measurement by the aperture-less scanning optical microscopy (Reproduced with permission from [187]). d Nanofocusing on waveguide using a nanoplasmonic tip with 20 nm curvature (Reproduced with permission from [188]). e Surface-enhanced Raman Spectroscopy using bow-tie nanoantenna array on waveguide (Reproduced with permission from [189]). f Surface-enhanced Raman Spectroscopy with recycling function (Reproduced with permission from [190]. g Hybrid nanoplasmonics/photonics system for MIR applications (Reproduced with permission from [191]), (i) device optical image, (ii and iii) measured MIR spectrum in device (ii) without and (iii) with nanoplasmonic structure. h MEMS-reconfigurable interpixelated nanoplasmonic metamaterial (Reproduced with permission from [193]). i Nanoplasmonic metamaterial-based fluidics for sensing (Reproduced with permission from [209]