Dr. Ahmed H. Dorrah Profile

Dr. Ahmed H. Dorrah

Research Associate at Harvard John A Paulson SEAS

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Author

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Publications (12)

Proceedings Article | 5 October 2023 Presentation

Presentation

Point singularity array with metasurfaces for blue-detuned atomic traps

Soon Wei Daniel Lim, Joon-Suh Park, Dmitry Kazakov, Christina Spaegele, Ahmed Dorrah, Maryna Meretska, Federico Capasso

Proceedings Volume PC12649, PC126490U (2023) https://doi.org/10.1117/12.2676740

KEYWORDS: Spiral phase plates, Super resolution, Wave propagation, Titanium dioxide, Optical vortices, Optical tweezers, Optical imaging, Miniaturization, Microscopes, Light-matter interactions

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Proceedings Article | 9 March 2023 Presentation

Presentation

Generalized polarization holography using metasurfaces

Aun Zaidi, Noah Rubin, Ahmed Dorrah, Federico Capasso

Proceedings Volume 12445, 124450R (2023) https://doi.org/10.1117/12.2666341

KEYWORDS: Dielectric polarization, Holography, Holograms, Phase retrieval, Nanostructures, Jones matrices, Fourier optics, Design and modelling, Polarized light, Polarization

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Proceedings Article | 13 October 2022 Presentation

Presentation

Tunable structured light with multifunctional metasurfaces

Ahmed Dorrah, Federico Capasso

Proceedings Volume PC12197, PC1219707 (2022) https://doi.org/10.1117/12.2634175

KEYWORDS: Structured light, Polarization, Wavefronts, Light wave propagation, Spatial frequencies, Resonators, Refraction, Polarization analysis, Plasmonics, Phase shifts

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Proceedings Article | 1 August 2021 Presentation

Presentation

Jones matrix holography with metasurfaces

Noah Rubin, Aun Zaidi, Ahmed Dorrah, Zhujun Shi, Federico Capasso

Proceedings Volume 11833, 118330A (2021) https://doi.org/10.1117/12.2594828

KEYWORDS: Dielectric polarization, Optical components, Holograms, Holography, Wave plates, Optical design, Holographic optical elements, Dielectrics, Polarization analysis, Polarimetry

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Proceedings Article | 1 August 2021 Presentation

Presentation

Molding light in space and time: novel phenomena and applications

Federico Capasso, Ahmed Dorrah

Proceedings Volume 11797, 1179708 (2021) https://doi.org/10.1117/12.2595315

KEYWORDS: Near field optics, Structured light, Polarization, Plasmonics, Dichroic materials, Wavefronts, Wave propagation, Wave plates, Spatial frequencies, Resonators

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Proceedings Article | 5 March 2021 Presentation

Presentation

Transvers to longitudinal structuring of light with metasurfaces

Federico Capasso, Ahmed Dorrah, Noah Rubin, Michele Tamagnone, Aun Zaidi

Proceedings Volume 11695, 116950F (2021) https://doi.org/10.1117/12.2593228

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Proceedings Article | 5 March 2021 Presentation

Presentation

Singularity engineering: sculpting the dark

Soon Wei Daniel Lim, Joon-Suh Park, Maryna Meretska, Ahmed Dorrah, Federico Capasso

Proceedings Volume 11680, 1168018 (2021) https://doi.org/10.1117/12.2577222

KEYWORDS: Wavefronts, Phase shift keying, Singular optics, Polarization, Physics, Modulation, Chemical species

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Proceedings Article | 5 March 2021 Presentation

Presentation

Polarization-controlled holography using dielectric metasurfaces

Aun Zaidi, Noah Rubin, Ahmed Dorrah, Federico Capasso

Proceedings Volume 11710, 1171006 (2021) https://doi.org/10.1117/12.2578910

KEYWORDS: Dielectric polarization, Holography, Dielectrics, Holograms, Phase retrieval, Optical design, Nanostructures, Jones matrices, Fourier optics, Polarization

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Proceedings Article | 5 March 2021 Presentation

Presentation

Arbitrary control of Jones matrix properties in a metasurface diffraction grating using matrix Fourier optics

Aun Zaidi, Noah Rubin, Ahmed Dorrah, Joon-Suh Park, Federico Capasso

Proceedings Volume 11695, 116951K (2021) https://doi.org/10.1117/12.2578865

KEYWORDS: Polarization, Fourier optics, Diffraction gratings, Wave plates, Nanostructures, Polarizers, Polarimetry, Optical design, Optical arrays, Jones vectors

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Proceedings Article | 5 March 2021 Presentation

Presentation

Polarization-dependent holography with metasurfaces

Noah Rubin, Aun Zaidi, Ahmed Dorrah, Zhujun Shi, Federico Capasso

Proceedings Volume 11695, 116951I (2021) https://doi.org/10.1117/12.2578852

KEYWORDS: Holograms, Holography, Dielectric polarization, Dielectrics, Switches, Polarization, Phase shifts, Optical design, Diffraction

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Proceedings Article | 16 February 2018 Presentation + Paper

Presentation + Paper

Arbitrary control of the polarization state and intensity of non-diffracting beams along their propagation direction

Ahmed Dorrah, Mateus Corato-Zanarella, Michel Zamboni-Rached, Mo Mojahedi

Proceedings Volume 10518, 105181A (2018) https://doi.org/10.1117/12.2289225

KEYWORDS: Polarization, Spatial light modulators, Beam propagation method, Nondiffracting beams, Polarization control, CCD cameras, Materials processing, Bessel beams, Structured light

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Proceedings Article | 27 April 2016 Paper

Paper

Experimental demonstration of attenuation resistant frozen waves

Ahmed Dorrah, Michel Zamboni-Rached, T. Vieira, M. R. Gesualdi, Mo Mojahedi

Proceedings Volume 9893, 989311 (2016) https://doi.org/10.1117/12.2225021

KEYWORDS: Signal attenuation, Diffraction, Spatial light modulators, Bessel beams, Computer generated holography, CCD cameras, Beam shaping, Materials processing, Biomedical optics, Beam propagation method, Light-matter interactions, Particles

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Showing 5 of 12 publications

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