Nanostructure-modulated planar high spectral resolution spectro-polarimeter

L. Pjotr Stoevelaar*, Jonas Berzinš, Fabrizio Silvestri, Stefan Fasold, Khosro Zangeneh Kamali, Heiko Knopf, Falk Eilenberger, Frank Setzpfandt, Thomas Pertsch, Stefan M.B. Bäumer, Giampiero Gerini

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    We present a planar spectro-polarimeter based on Fabry-Pérot cavities with embedded polarization-sensitive high-index nanostructures. A 7 µm-thick spectro-polarimetric system for 3 spectral bands and 2 linear polarization states is experimentally demonstrated. Furthermore, an optimal design is theoretically proposed, estimating that a system with a bandwidth of 127 nm and a spectral resolution of 1 nm is able to reconstruct the first three Stokes parameters with a signal-to-noise ratio of -13.14 dB with respect to the the shot noise limited SNR. The pixelated spectro-polarimetric system can be directly integrated on a sensor, thus enabling applicability in a variety of miniaturized optical devices, including but not limited to satellites for Earth observation.

    Original languageEnglish
    Pages (from-to)19818-19836
    Number of pages19
    JournalOptics Express
    Volume28
    Issue number14
    DOIs
    Publication statusPublished - 6 Jul 2020

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