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Integrated photonic circuits hold the promise of cost-effective and compact elements to generate and detect beams of a specific topological mode order of orbital-angular-momentum (OAM). This keynote will describe various metasurface structures that can be used for generating and detecting such OAM beams. The presentation will emphasize key beneficial characteristics for system operation, including the ability to dynamically tune the mode order and to perform functions over a broad spectral band.
Alan E. Willner
"Tunable and broadband photonic integrated circuits using metasurfaces for the generation and detection of orbital-angular-momentum beams", Proc. SPIE PC12009, Quantum Sensing and Nano Electronics and Photonics XVIII, PC120090S (5 March 2022); https://doi.org/10.1117/12.2612415
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Alan E. Willner, "Tunable and broadband photonic integrated circuits using metasurfaces for the generation and detection of orbital-angular-momentum beams," Proc. SPIE PC12009, Quantum Sensing and Nano Electronics and Photonics XVIII, PC120090S (5 March 2022); https://doi.org/10.1117/12.2612415