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The tremendous progress in nanophotonics at the nanoscale has motivated the development of different imaging techniques. Among them scanning near field optical microscopy (SNOM) and, more recently, super-resolution (SR, awarded by 2014 Nobel Prize). I discussed in details the basic differences between SR and SNOM, pointing out their complementary. Then I overviewed our recent SNOM activity for imaging and engineering at the nanoscale, both for semiconductor nanostructures and photonics nano-resonators [1-7].
References
[1] F. Riboli, et al. Nat. Materials 13: 720 (2014)
[2] N. Caselli, et al. Light: Science & Applications 4, e326 (2015)
[3] N. Caselli, et al. APL Photonics 1, 041301 (2016)
[4] N. Caselli, et al. APL 110, 081102 (2017)
[5] N. Caselli, et al. Nat. Comm., 9, 396 (2018)
[6] F. Biccari et al, Advanced Materials 30, 1705450 (2018)
[7] K-G. Cognée et al. Optica, 6, 269 (2019)