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Showing 1–14 of 14 results
Advanced filters: Author: P. G. Lagoudakis Clear advanced filters

  • Nonlinearity induced by a single photon is desirable because it can drive power consumption of optical devices to their fundamental quantum limit, and is demonstrated here at room temperature.

    • Anton V. Zasedatelev
    • Anton V. Baranikov
    • Pavlos G. Lagoudakis
    Research
    Nature
    Volume: 597, P: 493-497

  • A cascadable all-optical NOT gate is a requirement for full-logic in optical computing. By introducing the concept of non-ground-state polariton amplification in organic semiconductor microcavities, the authors realized the operation of an all-optical cascadable universal gate.

    • Denis A. Sannikov
    • Anton V. Baranikov
    • Pavlos G. Lagoudakis
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • Semiconductor microcavities allow engineering of artificial lattices with optical write-in and read-out of information. Here, the authors show an optically imprinted system of exciton-polaritons arranged in a Lieb lattice and reveal a nonequilibrium transition from scattered- to trapped polariton condensates.

    • S. Alyatkin
    • H. Sigurdsson
    • P. G. Lagoudakis
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • There is interest in studying vorticity in systems of light-matter interaction using different platforms. Here, the authors show vortices of topological charge more than one and their scaling in an exciton-polariton condensate using GaAs microcavity with embedded InGaAs quantum wells.

    • Tamsin Cookson
    • Kirill Kalinin
    • Pavlos G. Lagoudakis
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • To simulate band structures of solid state materials synthetic lattices are usually generated by optical lattices or by irreversible patterning the system. Here, the authors present reconfigurable synthetic band-structures in optical exciton-polariton lattices and generate non-Hermitian topological phases.

    • L. Pickup
    • H. Sigurdsson
    • P. G. Lagoudakis
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • High performance CdTe thin film solar cells typically require a chloride activation treatment. Here, Majoret al. show that the main effect of the most effective chloride-based treatments is chloride accumulation at grain boundaries and that it results in improved open circuit voltages.

    • J. D. Major
    • M. Al Turkestani
    • K. Durose
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-10

    • Vladimir P. Kochereshko
    • Mikhail V. Durnev
    • Alexey Kavokin
    ResearchOpen Access
    Scientific Reports
    Volume: 6, P: 1-7

  • Coupling in many-body systems leads to complex nonlinear effects, but the transition between instantaneous and time-delayed regimes is not well understood. This work shows that spatially-separated exciton-polariton condensates can be controlled to exhibit complex spectral patterns through time-delayed coupling.

    • J. D. Töpfer
    • H. Sigurdsson
    • P. G. Lagoudakis
    ResearchOpen Access
    Communications Physics
    Volume: 3, P: 1-8