Figure 2.

Illustration of the issue of controlling the nanoemitter’s position in the case of weak coupling. (a) Calculated LDOS of a trimer made of gold cylinders (dashed lines) with a diameter of 150 and 30 nm thickness. Adapted with permission from ref (20). Copyright 2013 Optical Society of America. (b) Gold bowtie covered by molecules randomly distributed and randomly oriented. Three molecules, labeled 1, 2, and 3, are highlighted for discussion (see text). (c) Calculated map of the gap mode (field intensity at λ = 780 nm) excited while the bowtie is shined with a polarization parallel to its longitudinal axis. The scale bar represents 100 nm. (b, c) Reproduced with permission from ref (4). Copyright 2009 Springer Nature Limited.