Prof. Riccardo Sapienza Profile

Prof. Riccardo Sapienza

at Imperial College London

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Author

Publications (8)

Proceedings Article | 4 October 2023 Open Access

Photonics of time-varying media

Emanuele Galiffi, Romain Tirole, Shixiong Yin, Huanan Li, Stefano Vezzoli, Paloma Huidobro, Mário Silveirinha, Riccardo Sapienza, Andrea Alù, John Pendry

Proceedings Volume PC12746, PC127460O (2023) https://doi.org/10.1117/12.2689959

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Proceedings Article | 24 May 2022 Presentation

Time-varying and reconfigurable driven photonics

Riccardo Sapienza

Proceedings Volume PC12131, PC1213106 (2022) https://doi.org/10.1117/12.2635435

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SPIE Journal Paper | 14 February 2022 Open Access

Photonics of time-varying media

Emanuele Galiffi, Romain Tirole, Shixiong Yin, Huanan Li, Stefano Vezzoli, Paloma Huidobro, Mário Silveirinha, Riccardo Sapienza, Andrea Alù, J. Pendry

AP, Vol. 4, Issue 01, 014002, (February 2022) https://doi.org/10.1117/12.10.1117/1.AP.4.1.014002

KEYWORDS: Modulation, Photonics, Switching, Scattering, Crystals, Magnetism, Resonators, Interfaces, Wave propagation, Metamaterials

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Proceedings Article | 1 August 2021 Presentation

Efficient epsilon-near-zero metasurface for time-varying applications and time diffraction

Romain Tirole, Taran Attavar, Jakub Dranczewski, Emanuele Galiffi, John Pendry, Stefan Maier, Stefano Vezzoli, Riccardo Sapienza

Proceedings Volume 11795, 117951E (2021) https://doi.org/10.1117/12.2593924

KEYWORDS: Diffraction, Modulation, Ultrafast phenomena, Thin films, Gold, Absorption

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Proceedings Article | 5 March 2021 Presentation

Photonic nanowires and networks made of biopolymers with tailorable emission and lasing properties

Luana Persano, Adam Szukalski, Michele Gaio, Maria Moffa, Giacomo Salvadori, Lech Sznitko, Andrea Camposeo, Jaroslaw Mysliwiec, Riccardo Sapienza, Benedetta Mennucci, Dario Pisignano

Proceedings Volume 11683, 116830E (2021) https://doi.org/10.1117/12.2584801

KEYWORDS: Biopolymers, Photonic nanostructures, Nanowires, Optical properties, Geometrical optics, Chromophores, Transmittance, Photonic devices, Nanofibers, Nanocrystals

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Proceedings Article | 1 April 2020 Presentation

Hyperuniform designs for enhanced light trapping in ultrathin single and tandem solar cells (Conference Presentation)

Nasim Tavakoli, Richard Spalding, Georgios Gkantzounis, Chenglong Wan, Ruslan Röhrich, Evgenia Kontoleta, Marian Florescu, Riccardo Sapienza, Femius Koenderink, Esther Alarcón Lladó

Proceedings Volume 11366, 113660A (2020) https://doi.org/10.1117/12.2554441

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Proceedings Article | 16 February 2017 Paper

Light coupling in polymer nanofibers: from single-photon emission to random lasing

A. Camposeo, M. Gaio, M. Moffa, M. Montinaro, M. Castro-Lopez, V. Fasano, R. Sapienza, D. Pisignano

Proceedings Volume 10101, 101010E (2017) https://doi.org/10.1117/12.2263662

KEYWORDS: Nanofibers, Polymers, Quantum dots, Light, Random lasers, Nanostructuring, Light sources, Dielectrics, Nanolithography, Near field optics

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Proceedings Article | 7 July 2005 Paper

Bloch oscillations and resonant Zener tunneling of light in optical superlattices

Mher Ghulinyan, R. Sapienza, C. Toninelli, C. Oton, P. Costantino, Z. Gaburro, Lorenzo Pavesi, D. Wiersma

Proceedings Volume 5840, (2005) https://doi.org/10.1117/12.608205

KEYWORDS: Superlattices, Geometrical optics, Charged particle optics, Analog electronics, Mirrors, Photonic crystals, Silicon, Refractive index, Scattering, Photons

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Showing 5 of 8 publications

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