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21 September 2017 Optoelectronic device applications of metafilms (Conference Presentation)
Mark L. Brongersma
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Proceedings Volume 10343, Metamaterials, Metadevices, and Metasystems 2017; 103430W (2017) https://doi.org/10.1117/12.2276207
Event: SPIE Nanoscience + Engineering, 2017, 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-structuring 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 device layers. 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 may be used to enhance the performance of solar cells, photodetectors, and enable new imaging technologies. I will also demonstrate how the use of active nanoscale building blocks can facilitate the creation of active metafilm devices.
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Mark L. Brongersma "Optoelectronic device applications of metafilms (Conference Presentation)", Proc. SPIE 10343, Metamaterials, Metadevices, and Metasystems 2017, 103430W (21 September 2017); https://doi.org/10.1117/12.2276207
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KEYWORDS
Metals
Optoelectronic devices
Semiconductors
Metamaterials
Optical antennas
Optoelectronics
Plasmonics
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