Device applications of metafilms and metasurfaces (Presentation Recording)

Mark L. Brongersma

doi:10.1117/12.2189965

5 October 2015 Device applications of metafilms and metasurfaces (Presentation Recording)

Mark L. Brongersma

Proceedings Volume 9544, Metamaterials, Metadevices, and Metasystems 2015; 95441S (2015) https://doi.org/10.1117/12.2189965
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

Many conventional optoelectronic devices consist of thin, stacked films of metals and semiconductors. In this presentation, I will demonstrate how one can improve the performance of such devices by nano-patterning the constituent layers at length scales below the wavelength of light. The resulting metafilms and metasurfaces offer opportunities to dramatically modify the optical transmission, absorption, reflection, and refraction properties of devices. This is accomplished by encoding the optical response of nanoscale resonant building blocks into the effective properties of the films and surfaces. To illustrate these points, I will show how nanopatterned metal and semiconductor layers can be used to enhance the performance of solar cells, photodetectors, and enable new imaging technologies. I will also demonstrate how the use of active building blocks can facilitate the creation of active metafilm devices.

Conference Presentation

Citation Download Citation

Mark L. Brongersma "Device applications of metafilms and metasurfaces (Presentation Recording)", Proc. SPIE 9544, Metamaterials, Metadevices, and Metasystems 2015, 95441S (5 October 2015); https://doi.org/10.1117/12.2189965

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