Rethinking photonic nanojets: a new definition and design paradigm
Optics
2025-12-29 v1 Mathematical Physics
math.MP
Abstract
We propose a rigorous, physically interpretable, and quantifiable definition of the photonic nanojet (PNJ). This framework resolves longstanding ambiguities in measuring PNJ dimensions and leverages an optimal mass transport-based metric to quantify PNJ quality. Building on this metric, we develop a PNJ steering methodology that requires no opto-mechanical intervention, relying solely on phase-only illumination modulation.
Keywords
Cite
@article{arxiv.2512.22008,
title = {Rethinking photonic nanojets: a new definition and design paradigm},
author = {Mirza Karamehmedović and Kristoffer Linder-Steinlein and Jesper Glückstad},
journal= {arXiv preprint arXiv:2512.22008},
year = {2025}
}