Fig. 4: Photographs of the fabricated wireless communication system, and test results of the signal quality.
From: A plasmonic route for the integrated wireless communication of subdiffraction-limited signals
a Photographs of the fabricated SPP wireless communication system. b Photographs of the fabricated microstrip wireless communication system. c Enlarged structure diagram of the discontinuity caused by the electrical connection. d Constellation maps measured in the SPP wireless communication system. e Eye patterns measured in the SPP wireless communication system
