February 20, 2024Scientific ReportsOpen Access

Qubit gate operations in elliptically trapped polariton condensates

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Authors

LRL. S. RiccoUniversity of Iceland ISI. A. ShelykhUniversity of Iceland AKA. V. KavokinUniversity of Rome Tor Vergata

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Implication

Theoretical study demonstrates universal qubit gate operations in elliptically trapped polariton condensates, highlighting a pathway toward planar microcavity quantum computing.

Key Points

Universal single- and two-qubit logic operations are achievable in polariton condensates, where non-degenerate p-type states map onto a tunable Bloch sphere.
Error analyses demonstrate that pure dephasing and spontaneous relaxation reduce gate fidelity, directly decreasing quantum concurrence while increasing entropy.
Analysis of optically confined elliptical traps uses auxiliary laser beams to drive state rotations, with neighboring trap interactions generating CNOT gates.
May enable local quantum computing in planar microcavities, satisfying DiVincenzo criteria while establishing robust building blocks for complex quantum algorithms.

Cite This Study

Ricco et al. (2024) studied this question.

synapsesocial.com/papers/68e785c1b6db6435876f890e https://doi.org/10.1038/s41598-024-54543-6

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February 20, 2024Scientific ReportsOpen Access

Qubit gate operations in elliptically trapped polariton condensates

View Full Paper

Ask AI

Bookmark

Authors

LRL. S. RiccoUniversity of Iceland ISI. A. ShelykhUniversity of Iceland AKA. V. KavokinUniversity of Rome Tor Vergata

Discussion

Member takes

Implication

Theoretical study demonstrates universal qubit gate operations in elliptically trapped polariton condensates, highlighting a pathway toward planar microcavity quantum computing.

Key Points

Universal single- and two-qubit logic operations are achievable in polariton condensates, where non-degenerate p-type states map onto a tunable Bloch sphere.
Error analyses demonstrate that pure dephasing and spontaneous relaxation reduce gate fidelity, directly decreasing quantum concurrence while increasing entropy.
Analysis of optically confined elliptical traps uses auxiliary laser beams to drive state rotations, with neighboring trap interactions generating CNOT gates.
May enable local quantum computing in planar microcavities, satisfying DiVincenzo criteria while establishing robust building blocks for complex quantum algorithms.

Cite This Study

Ricco et al. (2024) studied this question.

synapsesocial.com/papers/68e785c1b6db6435876f890e https://doi.org/10.1038/s41598-024-54543-6

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