Manuel Ferrer-Garcia, PhD Postdoctoral Fellow | University of Ottawa

My research focuses on, but is not limited to, the interaction between structured light, complex optical systems, and quantum photonics. I am particularly interested in understanding how optical fields are transformed, how their geometrical and topological structure can be revealed and controlled, and how these ideas can be used to improve photonic technologies and quantum information systems.

Research

Turbulence Mitigation & Aberration Correction

I study how atmospheric turbulence and optical aberrations affect structured light and high-dimensional quantum communication. My work has explored both adaptive-optics correction and phase-conjugation approaches based on stimulated parametric down-conversion, with the goal of improving the robustness of spatial-mode transmission through distorted optical channels.

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Topology in Structured Light

I investigate how nontrivial topology can be encoded, revealed, and manipulated across different degrees of freedom of light. This includes knotted and linked structures in spatial, polarization, and polychromatic optical fields, together with singularities and other geometrical features that expose topology hidden within the full structure of an optical field.

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Optical Transformations for Quantum Information

I develop theoretical and experimental frameworks for implementing complex optical transformations for photonic quantum information processing. I am particularly interested in how different physical platforms—including volume gratings, multilayer photonic structures, and structured optical elements—can manipulate and couple spatial modes and polarization to realize high-dimensional transformations.

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