Nanowire Assembly Enables Switchable Broadband Polarizers

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Credits/Names: 

Boehm, S. J.; Kang, L.; Werner, D. H.; Keating, C. D. DMR-1420620

Gold nanowire lattices were formed by electric field directed assembly and reconfigured on-demand between two different functional states, in the form of broadband polarizers. By selectively switching the electric field between two orthogonal electrode pairs, a maximum transmission contrast of ca. 50% is observed in the near-infrared regime. Moreover, the reconfigurable transmission spectra, which are highly dependent on the nanowire size and electric field conditions, are reversible. The demonstrated proof-of concept nanowire lattice polarizer provides potential for electrically reconfigurable photonic devices such as ultra-compact polarization components, electro-optic switches, and on-chip modulators.

Boehm, S. J.; Kang, L.; Werner, D. H.; Keating, C. D. Field-Switchable Broadband Polarizer Based on Reconfigurable Nanowire Assemblies. Adv. Funct. Mater. 2017, 27 (5), 1604703. DOI: 10.1002/adfm.201604703

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Year of Research Highlight: 
2017
IRG: 
IRG 4 - Photonic Assemblies