Efficient Light Trapping in the Mid-infrared Using Gold-black phosphorus Nanostructured Absorbers

Romil Audhkhasi; Michelle L. Povinelli

doi:10.1364/FIO.2020.FM2E.4

Frontiers in Optics / Laser Science
OSA Technical Digest (Optica Publishing Group, 2020),
paper FM2E.4
•https://doi.org/10.1364/FIO.2020.FM2E.4

Efficient Light Trapping in the Mid-infrared Using Gold-black phosphorus Nanostructured Absorbers

Romil Audhkhasi and Michelle L. Povinelli

Frontiers in Optics 2020

Washington, DC United States
14–17 September 2020
ISBN: 978-1-943580-80-4

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R. Audhkhasi and M. L. Povinelli, "Efficient Light Trapping in the Mid-infrared Using Gold-black phosphorus Nanostructured Absorbers," in Frontiers in Optics / Laser Science, B. Lee, C. Mazzali, K. Corwin, and R. Jason Jones, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper FM2E.4.

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Abstract

We propose a gold nanostructured design for achieving enhanced absorption in black phosphorus (BP) thin films in the mid-infrared. By suitable design optimization, we are able to achieve enhancement greater than the conventional 4n² limit.

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