Three-dimensional cross-nanowire networks recover full terahertz state
Date
2020
Authors
Peng, Kun
Jevtics, Dimitars
Zhang, Fanlu
Sterzl, Sabrina
Damry, Djamshid A.
Rothmann, Mathias
Guilhabert, Benoit
Strain, Michael J.
Tan, Hark Hoe
Herz, Laura M
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American Association for the Advancement of Science
Abstract
Terahertz radiation encompasses a wide band of the electromagnetic spectrum, spanning from microwaves to infrared light, and is a particularly powerful tool for both fundamental scientific research and applications such as security screening, communications, quality control, and medical imaging. Considerable information can be conveyed by the full polarization state of terahertz light, yet to date, most time-domain terahertz detectors are sensitive to just one polarization component. Here we demonstrate a nanotechnology-based semiconductor detector using cross-nanowire networks that records the full polarization state of terahertz pulses. The monolithic device allows simultaneous measurements of the orthogonal components of the terahertz electric field vector without cross-talk. Furthermore, we demonstrate the capabilities of the detector for the study of metamaterials.
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Science
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Journal article
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DOI
10.1126/science.abb0924
Restricted until
2099-12-31