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Lee, Jongwon
Nanostructured Photonic Devices Lab (NPDL)
Research Interests
  • Plasmonics, metasurfaces, metamaterials, surface-enhanced infrared absorption spectroscopy, orbital angular momentum generation

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Thermopile detector of light ellipticity

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Title
Thermopile detector of light ellipticity
Author
Lu, FengLee, JongwonJiang, AtingJung, SeungyongBelkin, Mikhail A.
Issue Date
2016-10
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.7, pp.12994 - 12994
Abstract
Polarimetric imaging is widely used in applications from material analysis to biomedical diagnostics, vision and astronomy. The degree of circular polarization, or light ellipticity, is associated with the S3 Stokes parameter which is defined as the difference in the intensities of the left- and right-circularly polarized components of light. Traditional way of determining this parameter relies on using several external optical elements, such as polarizers and wave plates, along with conventional photodetectors, and performing at least two measurements to distinguish left- and right-circularly polarized light components. Here we theoretically propose and experimentally demonstrate a thermopile photodetector element that provides bipolar voltage output directly proportional to the S3 Stokes parameter of the incident light.
URI
https://scholarworks.unist.ac.kr/handle/201301/20563
URL
http://www.nature.com/articles/ncomms12994
DOI
10.1038/ncomms12994
ISSN
2041-1723
Appears in Collections:
ECE_Journal Papers
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