3. Surface plasmas in photonic circuits: some application cases
The use of surface plasmons in photonic circuits can greatly enhance certain photonic functions, due to the exaltation of the field and the concentration of optical density at the subwavelength scale. Conversely, the use of waveguides to excite plasmonic structures significantly increases the coupling efficiency of light in these structures. This is all the more remarkable in the case of localized plasmons, which offer the maximum degree of compactness. We present five examples of the use of this type of structure for very different purposes.
3.1 LSPR for molecule biodetection
After technologies based on functionalized gold films and propagative plasmons (SPR technology), plasmonic nanostructures with localized plasmons are now widely used for biosensing, and...
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Surface plasmas in photonic circuits: some application cases
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