Nanoscale probing of image-dipole interactions in a metallic nanostructure

Nature Communications
Chad RoppEdo Waks

Abstract

An emitter near a surface induces an image dipole that can modify the observed emission intensity and radiation pattern. These image-dipole effects are generally not taken into account in single-emitter tracking and super-resolved imaging applications. Here we show that the interference between an emitter and its image dipole induces a strong polarization anisotropy and a large spatial displacement of the observed emission pattern. We demonstrate these effects by tracking the emission of a single quantum dot along two orthogonal polarizations as it is deterministically positioned near a silver nanowire. The two orthogonally polarized diffraction spots can be displaced by up to 50 nm, which arises from a Young's interference effect between the quantum dot and its induced image dipole. We show that the observed spatially varying interference fringe provides a useful measure for correcting image-dipole-induced distortions. These results provide a pathway towards probing and correcting image-dipole effects in near-field imaging applications.

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Citations

Aug 9, 2016·ACS Nano·Robert Charles BoutelleShimon Weiss
Aug 24, 2016·Nano Letters·Kangmook LimEdo Waks
Jan 12, 2017·Nature Communications·Mario RaabPhilip Tinnefeld
Jan 6, 2017·Nature Reviews. Gastroenterology & Hepatology·Mala K Maini, Antonio Bertoletti
Jan 14, 2017·Chemical Reviews·Katherine A WilletsPadmanabh B Joshi
Aug 18, 2018·Nanoscale·Martin ThomaschewskiSergey I Bozhevolnyi
Jul 27, 2020·Applied Spectroscopy·Joonhee LeeVartkess Ara Apkarian
Dec 12, 2018·Light, Science & Applications·Hannah S HeilKatrin G Heinze
Feb 16, 2018·Chemical Reviews·Hong WeiHongxing Xu
Aug 15, 2019·The Journal of Physical Chemistry Letters·Tiancheng ZuoJulie S Biteen
Sep 12, 2019·The Journal of Physical Chemistry Letters·Stephen A Lee, Julie S Biteen
Oct 23, 2020·The Journal of Physical Chemistry Letters·Sang-Min ParkZee Hwan Kim

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