Mid-infrared semimetal polarization detectors with configurable polarity transition

Mid-infrared semimetal polarization detectors with configurable polarity transition

On-chip polarization-sensitive photodetectors offer unique opportunities for next-generation ultra-compact polarimeters. So far, mainstream approaches have relied on the anisotropic absorption of natural materials or artificial structures. However, such a model is inherently restricted by correlatio...

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Veröffentlicht in:Nature photonics 2021-08, Vol.15 (8), p.614-621
Hauptverfasser: Wei, Jingxuan, Xu, Cheng, Dong, Bowei, Qiu, Cheng-Wei, Lee, Chengkuo
Format: Artikel
Sprache:eng
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Applied and Technical Physics
Design
Graphene
Infrared detectors
Light
Metalloids
Perturbation
Photometers
Photonics
Photoresponse
Physics
Physics and Astronomy
Polarity
Polarization
Quantum Physics
Semiconductors
Sensors
Transistors
Transition points
Tuning
Values
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Beschreibung
Zusammenfassung:On-chip polarization-sensitive photodetectors offer unique opportunities for next-generation ultra-compact polarimeters. So far, mainstream approaches have relied on the anisotropic absorption of natural materials or artificial structures. However, such a model is inherently restricted by correlation between the polarization ratio (PR) and diattenuation, leading to small PR values (1 
ISSN:1749-4885
1749-4893
DOI:10.1038/s41566-021-00819-6