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1 August 2021 Molding light in space and time: novel phenomena and applications
Federico Capasso, Ahmed H. Dorrah
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Proceedings Volume 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX; 1179708 (2021) https://doi.org/10.1117/12.2595315
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
Recent advances in wavefront shaping have led to new classes of structured light; hence, uncovering novel phenomena and facilitating new applications. We review recent progress in these areas and highlight our efforts in structuring all degrees of freedom of light; including the phase, amplitude, polarization state, and orbital angular momentum of light both in three-dimensional space and time. Notably, we showcase scenarios in which the propagation dynamics of structured vector beams are governed by a topological phase factor (i.e., the Berry phase) in addition to the regular propagation phase. This in turn redefines basic phenomena in optics encountered by these beams; such as Snell’s law, phase matching and resonance conditions. We finally present new directions in creating time-varying near-field structures using frequency-gradient plasmonic based devices.
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Federico Capasso and Ahmed H. Dorrah "Molding light in space and time: novel phenomena and applications", Proc. SPIE 11797, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX, 1179708 (1 August 2021); https://doi.org/10.1117/12.2595315
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KEYWORDS
Near field optics
Plasmonics
Polarization
Structured light
Dichroic materials
Resonators
Spatial frequencies
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