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Showing 1–7 of 7 results
Advanced filters: Author: Abram L. Falk Clear advanced filters

  • Silicon carbide is a polymorphic material with over 250 known crystal structures. Here the authors show that such polymorphism can be used as a degree of freedom for engineering optically addressable and coherently interacting spin states, including many with room-temperature quantum coherence.

    • Abram L. Falk
    • Bob B. Buckley
    • David D. Awschalom
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-7

  • Plasmonics is heralded as the perfect symbiosis of optics, which is quick, and electronics, which works on a small scale. A method for electrically detecting plasmon polaritons using a quantum dot removes the need for far-field optical techniques and could enable nanoscale integrated circuits.

    • Abram L. Falk
    • Frank H. L. Koppens
    • Hongkun Park
    Research
    Nature Physics
    Volume: 5, P: 475-479

  • Optically detected magnetic resonance experiments show that single spins having a coherence time on the millisecond scale can be isolated in divacancy defects in silicon carbide at low temperature.

    • David J. Christle
    • Abram L. Falk
    • David D. Awschalom
    Research
    Nature Materials
    Volume: 14, P: 160-163

  • The spin of the nitrogen–vacancy centre in diamond is a powerful resource for quantum control. However, control over its charge state lags far behind. Appropriating electrical gating techniques used in quantum-dot devices could bridge this gap.

    • Abram L. Falk
    • David D. Awschalom
    News & Views
    Nature Photonics
    Volume: 7, P: 510-511

  • Certain point defects in crystals can be used as optically addressable quantum bits, much like atoms trapped in vacuum. Ivády et al. show that embedding such artificial atoms in stacking faults can actually improve their optical properties, making them function even more like true atoms.

    • Viktor Ivády
    • Joel Davidsson
    • Adam Gali
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • The length of time a qubit can store information is linked to its coherence time. Here, the authors demonstrate that industrially important crystals comprising more than one species can host qubits with unexpectedly long coherence times.

    • Hosung Seo
    • Abram L. Falk
    • David D. Awschalom
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9