CST – Computer Simulation Technology

Full Control of Nanoscale Optical Transmission with a Composite Metascreen
Francesco Monticone, Nasim Mohammadi Estakhri, Andrea Alu`
Volume: 110, Issue: 20, 17 May 2013
203903 - 203903-5
By applying the optical nanocircuit concepts to metasurfaces, we propose an effective route to locally control light transmission over a deeply subwavelength scale. This concept realizes the optical equivalent of a transmit-array, whose use is demonstrated for light bending and focusing with unprecedented efficiency over a subwavelength distance, with crucial benefits for nano-optics applications. These findings may lead to large improvements in the manipulation of optical transmission and processing of nanoscale optical signals over conformal and Si-compatible substrates.

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