Three-dimensional cross-nanowire networks recover full terahertz state

Peng, Kun and Jevtics, Dimitars and Zhang, Fanlu and Sterzl, Sabrina and Damry, Djamshid A. and Rothmann, Mathias U. and Guilhabert, Benoit and Strain, Michael J. and Tan, Hark H. and Herz, Laura M. and Fu, Lan and Dawson, Martin D. and Hurtado, Antonio and Jagadish, Chennupati and Johnston, Michael B. (2020) Three-dimensional cross-nanowire networks recover full terahertz state. Science, 368 (6490). pp. 510-513. ISSN 1095-9203 (https://doi.org/10.1126/science.abb0924)

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Abstract

Nanowire-based THz detection Terahertz (THz) radiation is an interesting region of the electromagnetic spectrum lying between microwaves and infrared. Non-ionizing and transparent to most fabrics, it is finding application in security screening and imaging but is also being developed for communication and chemical sensing. To date, most THz detectors have focused just on signal intensity, an effort that discards half the signal in terms of the full optical state, including polarization. Peng et al. developed a THz detector based on crossed nanowires (arranged in a hash structure) that is capable of resolving the full state of the THz light. The approach provides a nanophotonic platform for the further development of THz-based technologies. Science , this issue p. 510

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