Optical trapping using all-dielectric silicon nanoantennas with ultra-low heat generation
Z Xu, W Song, KB Crozier
2017 Conference on Lasers and Electro-Optics, CLEO 2017 - Proceedings | Published : 2017
Silicon nanoantennas are used to trap polystyrene nanospheres (20 nm diameter). Fluorescence microscopy is used to monitor trapped particle position as a function of time. The nanoantennas produce subwavelength field enhancement with negligible heat generation.