Lattice Resonances of Nanohole Arrays for Quantum Enhanced Sensing

Light scattering by plasmonic disks and holes arrays: different or the same?

“…To conclude, we have suggested an intuitive and simple approach for designing regular arrays of NHs complementary to widely used arrays of NDs. Respective periodic structures with parameters obeying D h = √ 2P − D d and D h = P conditions demonstrate almost similar far-field properties, which may serve as a useful guide for the design of arrays of NHs for various applications including but not limiting to sensing [9][10][11][12][13][14][15][16], upconversion luminescence [17], lasing [18][19][20], focusing [5], photocatalysis [21], thermoplasmonics [22,23], filtering [24,25], hybrid [27] and plasmon-exciton [28] coupling, and nonlinear optics [26]. Respective comparison of nearfield properties [48,61,62] of NHs and NDs designed using this strategy are the subject of further comprehensive study.…”

“…Since the observation of extraordinary optical transmission in arrays of holes in Ag films [1] and its further theoretical [2] and experimental [3] elaboration, regular plasmonic nanostructures exhibiting resonant optical properties have been at the forefront of modern photonics. Arrays of nanoholes (NHs) in metal films, easily manufactured via focused ion beam milling [4,5], soft interference lithography [6], ionbeam planarization [7] or direct laser writing [8], have been employed in sensing [9][10][11][12][13][14][15][16], upconversion luminescence [17], lasing [18][19][20], focusing [5], photocatalysis [21], thermoplasmonics [22,23], filtering [24,25], nonlinear optics [26], hybrid [27] and plasmon-exciton [28] coupling. One of the major drawback of NH arrays from the theoretical point of view is the lack of closed-form analytical solutions for electromagnetic properties of such nanostructures: straightforward treatment only exists for single NHs [29][30][31][32] or for NH arrays perforated in perfect electric conductor (PEC) thin films.…”