Spontaneous generation of singularities in paraxial optical fields

Aiello, Andrea

doi:10.1364/OL.41.001668

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Spontaneous generation of singularities in paraxial optical fields

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Aiello, Andrea
Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Aiello, A. (2016). Spontaneous generation of singularities in paraxial optical fields. OPTICS LETTERS, 41(7), 1668-1671. doi:10.1364/OL.41.001668.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-62ED-5

Abstract

In nonrelativistic quantum mechanics, the spontaneous generation of singularities in smooth and finite wave functions is a well understood phenomenon also occurring for free particles. We use the familiar analogy between the two-dimensional Schrodinger equation and the optical paraxial wave equation to define a new class of square-integrable paraxial optical fields that develop a spatial singularity in the focal point of a weakly focusing thin lens. These fields are characterized by a single real parameter whose value determines the nature of the singularity. This novel field enhancement mechanism may stimulate fruitful research for diverse technological and scientific applications. (C) 2016 Optical Society of America