Controlling photonic nanojets: From the standpoint of eigenmodes

Jinlong Zhu, Lynford L. Goddard

Research output: Contribution to journalArticle

Abstract

In this letter, we explain how to quickly engineer and optimize photonic nanojets (PNJs) using eigenmode expansion and a transmission matrix theory. We systematically investigate how to realize an ultra-narrow beam waist and how to steer and shift the PNJ hot spot position using different linear combinations of eigenmodes. The ability to design complex beam shapes makes the technique attractive in numerous applications, including inspecting nanoparticles located deep inside a cell, super-resolution imaging, and optical lithography.

Original languageEnglish (US)
Pages (from-to)75-78
Number of pages4
JournalIEEE Photonics Technology Letters
Volume30
Issue number1
DOIs
StatePublished - Jan 2018

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Photonics
photonics
matrix theory
Photolithography
engineers
lithography
Nanoparticles
Imaging techniques
Engineers
nanoparticles
expansion
shift
cells

Keywords

  • Electromagnetic devices
  • Electromagnetic interference
  • Microoptics
  • Nano photonics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Controlling photonic nanojets : From the standpoint of eigenmodes. / Zhu, Jinlong; Goddard, Lynford L.

In: IEEE Photonics Technology Letters, Vol. 30, No. 1, 01.2018, p. 75-78.

Research output: Contribution to journalArticle

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