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- Title
Ultracompact Broadband Plasmonic Polarimeter.
- Authors
Lee, Kyookeun; Yun, Hansik; Mun, Sang‐Eun; Lee, Gun‐Yeal; Sung, Jangwoon; Lee, Byoungho
- Abstract
Abstract: Polarization is one of the fundamental properties of light, which is inherited from the vectorial nature of electromagnetic waves. Measuring states of polarizations (SOPs) is widely used for remote sensing applications. A number of ultracompact polarimeters that analyze SOPs at a single detection without splitting of incident beams have been demonstrated recently. However, the development of a broadband polarimeter remains challenging due to the resonant feature of their building blocks. Here, an ultracompact polarimeter that retrieves the SOP of incident light with broad operation bandwidth at near‐infrared wavelengths is proposed. Surface plasmon polaritons (SPPs) excited by X‐shaped aperture arrays are utilized as intensity probes. Full‐Stokes parameters are retrieved by detecting the SPP intensities. The proposed polarimeter is demonstrated experimentally and can measure SOPs at wavelengths from 750 nm to 1050 nm. This work can help to develop more compact polarization‐sensitive optical systems, such as polarimetry, ellipsometry, and optical routers.
- Subjects
PLASMONS (Physics); POLARISCOPE; ELECTROMAGNETIC waves; POLARIZATION (Nuclear physics); BANDWIDTHS
- Publication
Laser & Photonics Reviews, 2018, Vol 12, Issue 3, p1
- ISSN
1863-8880
- Publication type
Article
- DOI
10.1002/lpor.201700297