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5 October 2023 Extreme time modulation of materials properties and Hawking radiation
John B. Pendry
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Proceedings Volume PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI; PC126480J (2023) https://doi.org/10.1117/12.2675883
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Experiments demonstrating extremely rapid modulation of the permittivity have been performed by exploiting the enhanced non-linear effects possible in the presence of plasmonic resonances [1]. These experiments measure an extreme rise time by exploiting the analogy between Young's slits and closely spaced time windows which produce diffraction in frequency space. I go on to discuss some theoretical consequences of space-time modulated structures which can be understood as a series of optical event horizons where wave energy can be trapped and amplified, leading to radiation from the quantum vacuum state. [1] Romain Tirole et al (2023) arXiv:2206.04362
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John B. Pendry "Extreme time modulation of materials properties and Hawking radiation", Proc. SPIE PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI, PC126480J (5 October 2023); https://doi.org/10.1117/12.2675883
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KEYWORDS
Diffraction gratings
Modulation
Optical gratings
Materials properties
Diffraction
Quantum experiments
Quantum measurement
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