External cavity lasers based on wide-angle multifunctional metasurfaces

Christina Spaegele; Michele Tamagnone; Dmitry Kazakov; Marcus Ossiander; Marco Piccardo; Federico Capasso

doi:10.1117/12.2594753

1 August 2021 External cavity lasers based on wide-angle multifunctional metasurfaces

Christina Spaegele, Michele Tamagnone, Dmitry Kazakov, Marcus Ossiander, Marco Piccardo, Federico Capasso

Proceedings Volume 11795, Metamaterials, Metadevices, and Metasystems 2021; 1179519 (2021) https://doi.org/10.1117/12.2594753
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Metasurfaces are a promising platform to exceed their traditional counterparts not only in compactness but also for functionality. However, current designs are limited when trying to implement multiple, non-paraxial functions with a single metasurface as they are bound to either a small angular range or to low efficiencies. Here, we present a new non-local metasurface design that enables the implementation of multiple, independent functions with a large difference in deflection angle. We further demonstrate the capabilities of this approach for advanced control of light emission systems by creating a wavelength-tunable external cavity laser with holographic output based on such metasurface.

Conference Presentation

Citation Download Citation

Christina Spaegele, Michele Tamagnone, Dmitry Kazakov, Marcus Ossiander, Marco Piccardo, and Federico Capasso "External cavity lasers based on wide-angle multifunctional metasurfaces", Proc. SPIE 11795, Metamaterials, Metadevices, and Metasystems 2021, 1179519 (1 August 2021); https://doi.org/10.1117/12.2594753

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