3D-printed infrared metamaterials

N. Sharac; G. R. S. Iyer; J. G. Tischler

doi:10.1117/12.2510994

21 February 2019 3D-printed infrared metamaterials

N. Sharac, G. R. S. Iyer, J. G. Tischler

Proceedings Volume 10926, Quantum Sensing and Nano Electronics and Photonics XVI; 109261Q (2019) https://doi.org/10.1117/12.2510994
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Dielectric and semiconductor structures at the nanoscale are increasingly being applied in nanophotonic applications such as enhanced sensing, magnetic field enhancements, and metasurfaces. In contrast to their traditional metal plasmon counterparts -- such as Au and Ag -- dielectric materials benefit from low losses and CMOS compatibility. Here we explore of 3D dielectric structures on the nanometer and micron scales via a new patterning method, which employs both 3D, direct laser write (DLW) and reactive ion etching (RIE). Polymer structures, which are controlled down to the submicron scale both laterally and in height are printed using DLW onto various dielectric materials and are sub sequentially, etched using RIE. By tuning the etch ratio of the dielectric and polymer, the 3D printed pattern is transferred into the dielectric. By patterning a range of different 3D geometries onto Si, SiC, and hBN, we show that this method is applicable to a range of dielectric and semiconductor materials and to a range of different microstructures and nanostructures. Further, we show the possibility of selectively removing the polymer mask without damaging the underlying dielectric material, which enables the possibility of additional fabrication methods, such as for etching thin films.

Conference Presentation

Citation Download Citation

N. Sharac, G. R. S. Iyer, and J. G. Tischler "3D-printed infrared metamaterials", Proc. SPIE 10926, Quantum Sensing and Nano Electronics and Photonics XVI, 109261Q (21 February 2019); https://doi.org/10.1117/12.2510994

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