Chip-scale Full-Stokes Spectropolarimeter in Silicon Photonic Circuits
- URL: http://arxiv.org/abs/2002.02062v1
- Date: Thu, 6 Feb 2020 01:47:53 GMT
- Title: Chip-scale Full-Stokes Spectropolarimeter in Silicon Photonic Circuits
- Authors: Zhongjin Lin, Tigran Dadalyan, Simon B\'elanger-de Villers, Tigran
Galstian and Wei Shi
- Abstract summary: We propose and demonstrate a chip-scale spectropolarimeter implemented using a CMOS-compatible silicon photonics technology.
Four compact Vernier microresonator spectrometers are monolithically integrated with a broadband polarimeter.
The proposed device offers a solid-state spectropolarimetry solution with a small footprint of 1*0.6 mm2 and low power consumption of 360 mW.
- Score: 2.299039862378644
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Wavelength-dependent polarization state of light carries crucial information
about light-matter interactions. However, its measurement is limited to bulky,
energy-consuming devices, which prohibits many modern, portable applications.
Here, we propose and demonstrate a chip-scale spectropolarimeter implemented
using a CMOS-compatible silicon photonics technology. Four compact Vernier
microresonator spectrometers are monolithically integrated with a broadband
polarimeter consisting of a 2D nanophotonic antenna and a polarimetric circuit
to achieve full-Stokes spectropolarimetric analysis. The proposed device offers
a solid-state spectropolarimetry solution with a small footprint of 1*0.6 mm2
and low power consumption of 360 mW}. Full-Stokes spectral detection across a
broad spectral range of 50 nm with a resolution of 1~nm is demonstrated in
characterizing a material possessing structural chirality. The proposed device
may enable a broader application of spectropolarimetry in the fields ranging
from biomedical diagnostics and chemical analysis to observational astronomy.
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