Plasmonic structure integrated single-photon detectors optimized to maximize polarization contrast

M. Csete, András Szenes, Dávid Maráczi, Balázs Bánhelyi, T. Csendes, Szabó Gábor

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Numerical optimization was performed via COMSOL multiphysics to maximize the polarization contrast of superconducting nanowire single photon detectors (SNSPDs). SNSPDs were integrated with four different types of 1D periodic plasmonic structures capable of mediating p-polarized photon selectivity to the niobium-nitride superconducting nanowire pattern. Optimization with two different criteria regarding the maximal tilting resulted in wavelength-scaled periodic integrated structures, which have different geometrical parameters, and exhibit different polar angle dependent optical responses and dispersion characteristics, as well as accompanying near-field phenomena at the extrema. Polarization contrast of 6.4·102 and 3.3·102/6.9·1011 and 1.4·1011/1.8·1013 and 7.9·1012/1.9·10 3 and 1.2·105 can be achieved in nanocavity-/nanocavity-deflector-/nanocavity-double-deflector-/nanocavity-trench-array-integrated P-SNSPDs optimized with 85° and 80° criterion, regarding the maximal tilting.

Original languageEnglish
Article number7891903
JournalIEEE Photonics Journal
Volume9
Issue number2
DOIs
Publication statusPublished - Apr 1 2017

Fingerprint

Nanowires
nanowires
Photons
Polarization
Detectors
deflectors
detectors
photons
polarization
optimization
Periodic structures
range (extremes)
Niobium
niobium
Nitrides
nitrides
near fields
selectivity
Wavelength
wavelengths

Keywords

  • integrated nanophotonic systems.
  • optical properties of photonic materials
  • plasmonics
  • Theory and design

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Plasmonic structure integrated single-photon detectors optimized to maximize polarization contrast. / Csete, M.; Szenes, András; Maráczi, Dávid; Bánhelyi, Balázs; Csendes, T.; Gábor, Szabó.

In: IEEE Photonics Journal, Vol. 9, No. 2, 7891903, 01.04.2017.

Research output: Contribution to journalArticle

Csete, M. ; Szenes, András ; Maráczi, Dávid ; Bánhelyi, Balázs ; Csendes, T. ; Gábor, Szabó. / Plasmonic structure integrated single-photon detectors optimized to maximize polarization contrast. In: IEEE Photonics Journal. 2017 ; Vol. 9, No. 2.
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