Detecting Spatially Incoherent Light with Plasmonic Metasurfaces

Thomas Frank; Thomas Frank; Oleksandr Buchnev; Tamsin Cookson; Malgosia Kaczmarek; Pavlos Lagoudakis; Vassili A. Fedotov

doi:10.1364/FIO.2020.FM2C.6

Frontiers in Optics / Laser Science
OSA Technical Digest (Optica Publishing Group, 2020),
paper FM2C.6
•https://doi.org/10.1364/FIO.2020.FM2C.6

Detecting Spatially Incoherent Light with Plasmonic Metasurfaces

Thomas Frank, Oleksandr Buchnev, Tamsin Cookson, Malgosia Kaczmarek, Pavlos Lagoudakis, and Vassili A. Fedotov

Frontiers in Optics 2020

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

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Structured Materials and Structured Light (FM2C)

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T. Frank, O. Buchnev, T. Cookson, M. Kaczmarek, P. Lagoudakis, and V. A. Fedotov, "Detecting Spatially Incoherent Light with Plasmonic Metasurfaces," 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 FM2C.6.

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Abstract

We report on a discovery that homogeneous plasmonic non-diffracting metasurfaces of a certain type respond differently to spatially coherent and incoherent light, enabling robust speckle-free discrimination between different degrees of coherence. The effect has no direct analogue in natural optical materials and may find applications in compact metadevices enhancing imaging, vision, detection, communication and metrology.

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