Nanostructure-modulated planar high spectral resolution spectro-polarimeter

Abstract

We present a planar spectro-polarimeter based on Fabry-P{é}rot cavities with embedded polarization-sensitive high-index nanostructures. A $7\mu$m-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 \textcolor{black}{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.

References in corpus (8)

• Dielectric Metasurfaces for Complete Control of Phase and Polarization with Subwavelength Spatial Resolution and High Transmission
• A review of metasurfaces: physics and applications
• Materials Pushing the Application Limits of Wire Grid Polarizers further into the Deep Ultraviolet Spectral Range
• Compact Folded Metasurface Spectrometer
• Integrated Plasmonic Metasurfaces for Spectropolarimetry
• Ultrathin and Multicolor Optical Cavities with Embedded Metasurfaces
• Wide bandwidth and high resolution planar filter array based on DBR-metasurface-DBR structures
• Sub-micrometer Nanostructure-based RGB Filters for CMOS Image Sensors

Cited by in corpus (2)

• Silicon Metasurface Embedded Fabry-Perot Cavity Enables High Quality Transmission Structural Color
• Polarization sensitive photodectector based on GaAsN