Circularly Polarized Photodetectors Based on Chiral Materials: A Review

Circularly polarized light (CPL) plays an important role in many photonic techniques, including tomographic scanning based on circular polarization ellipsometry, optical communication and information of spin, and quantum-based optical calculation and information processing. To fully exploit the func...

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Published inFrontiers in chemistry Vol. 9; p. 711488
Main Authors Zhang, Can, Wang, Xiaohong, Qiu, Longzhen
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 08.09.2021
Subjects
Chemistry
chiral materials
circularly polarized light
circularly polarized photodetectors
direct detection
photodetector
chiral materials
circularly polarized light
direct detection
circularly polarized photodetectors
photodetector
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Summary:Circularly polarized light (CPL) plays an important role in many photonic techniques, including tomographic scanning based on circular polarization ellipsometry, optical communication and information of spin, and quantum-based optical calculation and information processing. To fully exploit the functions of CPL in these fields, integrated photoelectric sensors capable of detecting CPL are essential. Photodetectors based on chiral materials can directly detect CPL due to their intrinsic optical activity, without the need to be coupled with polarizers and quarter-wave plates as in conventional photodetectors. This review summarizes the recent research progress in CPL photodetectors based on chiral materials. We first briefly introduce the CPL photodetectors based on different types of chiral materials and their working principles. Finally, current challenges and future opportunities in the development of CPL photodetectors are prospected.
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This article was submitted to Physical Chemistry and Chemical Physics, a section of the journal Frontiers in Chemistry
Reviewed by:Mingjian Yuan, Nankai University, China
Eralci M Therézio, Federal University of Mato Grosso, Brazil
Edited by:Kui Zhao, Shaanxi Normal University, China
ISSN:2296-2646
2296-2646
DOI:10.3389/fchem.2021.711488