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Nonreciprocal Metasurfaces: Breaking Reciprocity with Space‐Time‐Coding Digital Metasurfaces (Adv. Mater. 41/2019)
Author(s) -
Zhang Lei,
Chen Xiao Qing,
Shao Rui Wen,
Dai Jun Yan,
Cheng Qiang,
Castaldi Giuseppe,
Galdi Vincenzo,
Cui Tie Jun
Publication year - 2019
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201970295
Subject(s) - reciprocity (cultural anthropology) , lorentz transformation , materials science , optics , fabrication , coding (social sciences) , electromagnetic field , optoelectronics , physics , classical mechanics , quantum mechanics , psychology , social psychology , statistics , mathematics , medicine , alternative medicine , pathology
In article number 1904069, Vincenzo Galdi, Tie Jun Cui, and co‐workers report the design and fabrication of electromagnetic metasurfaces that can break Lorentz reciprocity. The mechanism is based on anomalous reflections accompanied by frequency conversions, which can be programmed and reconfigured via a spatio‐temporal digital code stored in a field‐gate‐programmable array.