David de la Fuente Pico

Very strong light-matter coupling in patterned GaAs heterostructures

David de la Fuente Pico, Johannes Bürger, Antonio Gianfrate, Jesper Levinsen et autres

The very strong light-matter coupling regime enables the non-perturbative modification of matter properties via light. Using a patterned GaAs/AlGaAs waveguide with twelve wide quantum wells, we demonstrate hybridization of heavy- and light-hole excitons within a single polariton state and show that, at …

Magnetic-field driven hybridization of heavy- and light-hole Rydberg excitons in GaAs quantum wells

David de la Fuente Pico, Johannes Bürger, Antonio Gianfrate, Jesper Levinsen et autres

We present a combined theoretical and experimental study of ground and excited Rydberg exciton states in wide GaAs quantum wells exposed to a magnetic field in the Faraday geometry. We employ a multiband exciton model based on the Luttinger Hamiltonian, which captures …

Rydberg excitons and polaritons in monolayer transition metal dichalcogenides in a magnetic field

David de la Fuente Pico, Jesper Levinsen, Emma Laird, Meera M. Parish et autres

In the very strong light-matter coupling regime, the excitons in a semiconductor are intrinsically modified by the photon modes in a microcavity. A magnetic field can probe and manipulate these changes in exciton-polaritons. Here, the authors develop a microscopic theory for excitons …

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Rydberg excitons and polaritons in monolayer transition metal dichalcogenides in a magnetic field

David de la Fuente Pico, J. Levinsen, Edward A. Laird, M. M. Parish et autres

We develop a microscopic theory for excitons and cavity exciton polaritons in transition metal dichalcogenide (TMD) monolayers under a perpendicular static magnetic field. We obtain numerically exact solutions for the ground and excited states, accounting for the interplay between arbitrarily large magnetic …