Reconfigurable universal mode sorter built on an integrated photonics platform

Aleksandr Boldin; Rakan Alsaigh; Fabio Toso; Maziyar Milanizadeh; Giorgio Ferrari; Andrea Melloni; David Miller; Francesco Morichetti; Martin P. J. Lavery

doi:10.1117/12.2668649

17 March 2023 Reconfigurable universal mode sorter built on an integrated photonics platform

Aleksandr Boldin, Rakan Alsaigh, Fabio Toso, Maziyar Milanizadeh, Giorgio Ferrari, Andrea Melloni, David Miller, Francesco Morichetti, Martin P. J. Lavery

Author Affiliations +

Proceedings Volume PC12436, Complex Light and Optical Forces XVII; PC124360M (2023) https://doi.org/10.1117/12.2668649
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Optical mode sorters are a key enabling technology that have been widely used in communication and sensing systems. Conventionally, these are designed for a particular set of optical modes based on specific geometric transformation. We present a new approach for free-space optical mode sorting that can be tailored to measure any set of spatial modes or arbitrary superpositions of modes. Our approach is enabled by the combination of a reconfigurable photonics integrated circuit (PIC) interfaced with a Multiple-Plane-Light-Converter (MPLC) for pure optical mode processing. We have successfully sorted a range of high order spatial modes with crosstalk with a mean value -16dB and a reconfigurability greater than 12kHz.

Conference Presentation

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Aleksandr Boldin, Rakan Alsaigh, Fabio Toso, Maziyar Milanizadeh, Giorgio Ferrari, Andrea Melloni, David Miller, Francesco Morichetti, and Martin P. J. Lavery "Reconfigurable universal mode sorter built on an integrated photonics platform", Proc. SPIE PC12436, Complex Light and Optical Forces XVII, PC124360M (17 March 2023); https://doi.org/10.1117/12.2668649

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