Robust polarization twist by pairs of multilayers with tilted optical axes

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Polarization of photonic beams makes a continuous information carrier and thus modifying it dramatically within a short distance is desirable for numerous optical devices. The easiest way to emulate anisotropy, which is a prerequisite for any polarization conversion, is utilizing thin slices of plasmonic multilayers, whose performance is limited by the inevitable losses. Such a difficulty gets overcome by using pairs of these slices in a bilayer configuration and optimizing the direction of their optical axes. In this sense, the losses are balanced by the interplay between fields in each slice and the overall interference scheme yields closer-to-desired transmissions. Several realistic designs giving effective polarization twists of substantial immunity to fabrication defects or misalignment in oscillation frequency and incidence angle, are obtained. These structures are both efficient and minimalistic; thus can be useful in many photonic systems requiring robust polarization engineering and compact packaging.

Original languageEnglish
Article number115304
JournalPhysical Review B
Volume99
Issue number11
DOIs
Publication statusPublished - Mar 6 2019

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Multilayers
Polarization
polarization
Photonics
photonics
immunity
Optical devices
packaging
misalignment
Packaging
Anisotropy
incidence
engineering
interference
Fabrication
Defects
oscillations
anisotropy
fabrication
defects

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Robust polarization twist by pairs of multilayers with tilted optical axes. / Sarsen, Adilkhan; Valagiannopoulos, Constantinos.

In: Physical Review B, Vol. 99, No. 11, 115304, 06.03.2019.

Research output: Contribution to journalArticle

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