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3 October 2022 Topological lasers and infinitely scalable Berkeley Surface Emitting Lasers (BerkSELs)
Boubacar Kanté
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Proceedings Volume PC12196, Active Photonic Platforms 2022; PC1219611 (2022) https://doi.org/10.1117/12.2634323
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Topology plays a fundamental role in contemporary physics and enables new information processing schemes and wave device physics with built-in robustness. Recently, significant efforts have been devoted to exploring topological principles in bosonic systems. In the first part of this talk, I will discuss my invention of topological lasers: integrable non-reciprocal coherent light sources as well as compact bound state in continuum sources. In the second part of the talk, I will discuss our recently proposed scheme to systematically implement singularities known as exceptional points (EP) in passive plasmonics. I will discuss the new scheme and how we overcame current immuno-assay nano sensing record with plasmons by more than two orders of magnitude. Finally, I will discuss how the topological phase around an EP singularity can be used to implement functional and multiplexed phased arrays, antennas, and metasurfaces.
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Boubacar Kanté "Topological lasers and infinitely scalable Berkeley Surface Emitting Lasers (BerkSELs)", Proc. SPIE PC12196, Active Photonic Platforms 2022, PC1219611 (3 October 2022); https://doi.org/10.1117/12.2634323
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KEYWORDS
Sensors
Physics
Antennas
Data processing
Light sources
Multiplexing
Phased arrays
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