Versatile excitation of nanoparticles — by Guillermo F. Quinteiro on

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A single pulse of twisted light can induce transitions to energy levels not accessible using Gaussian beams.

magnetic optical transitions in quantum dots: part 2 — by Guillermo F. Quinteiro on

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Antiparallel beams of twisted light can produce new optical transitions between light hole and conduction band states in quantum dots.

magnetic optical transitions in quantum dots: part 1 — by Guillermo F. Quinteiro on

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Focused beams of twisted light can be dominated by magnetic fields close the the beam axis. What is the effect of these optical magnetic fie...

Ultrafast spin-flip in quantum dots using focused beams — by Guillermo F. Quinteiro on

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Tightly-focused beams may have a strong electric field in the direction of propagation, and can be used at normal incidence to excite specia...

Manipulating quantum dots with twisted light. Part 2: Light Holes — by Guillermo F. Quinteiro on

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Twisted light may have electric and magnetic field simultaneously in all directions. For a tightly-focused beam, the component in the direct...

Manipulating quantum dots with twisted light. Part 1: Heavy Holes — by Guillermo F. Quinteiro on

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After covering the basic theory on twisted light - solid interaction we may ask, are there interesting uses for this electromagnetic fields ...