Singularity engineering: sculpting the dark

Soon Wei Daniel Lim; Joon-Suh Park; Maryna L. Meretska; Ahmed H. Dorrah; Federico Capasso

doi:10.1117/12.2577222

5 March 2021 Singularity engineering: sculpting the dark

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

Proceedings Volume 11680, Physics and Simulation of Optoelectronic Devices XXIX; 1168018 (2021) https://doi.org/10.1117/12.2577222
Event: SPIE OPTO, 2021, Online Only

Abstract

Optical singularities are dark regions of a light field that exhibit rich and nonintuitive behaviors such as local wavenumbers that far exceed the light field wavenumber. For example, helical beams have a one dimensional singularity along the axis of the optical vortex where the phase is undetermined. We demonstrate that both phase and polarization singularities can be engineered and that in addition to the common one-dimensional string-like topologies, we can produce a broader family of 0D (point) and 2D (sheet) singularities. As a potential application, we design an array of point singularities to serve as identical blue-detuned cold atom traps with three-dimensional confinement. Singularity engineering imbues microscale wavefront engineering tools with the ability to produce exotic forms of light deterministically and on-demand and has wide applicability to other wave-like systems in physics.

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Citation Download Citation

Soon Wei Daniel Lim, Joon-Suh Park, Maryna L. Meretska, Ahmed H. Dorrah, and Federico Capasso "Singularity engineering: sculpting the dark", Proc. SPIE 11680, Physics and Simulation of Optoelectronic Devices XXIX, 1168018 (5 March 2021); https://doi.org/10.1117/12.2577222

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KEYWORDS

Phase shift keying

Wavefronts

Chemical species

Modulation

Physics

Polarization

Singular optics

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