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Robust platform for engineering pure-quantum-state transitions in polariton condensates

机译:用于极化子冷凝物中工程纯量子态跃迁的强大平台

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摘要

We report on pure-quantum-state polariton condensates in optical annular traps. The study of the underlying mechanism reveals that the polariton wave function always coalesces in a single pure quantum state that, counterintuitively, is always the uppermost confined state with the highest overlap with the exciton reservoir. The tunability of such states combined with the short polariton lifetime allows for ultrafast transitions between coherent mesoscopic wave functions of distinctly different symmetries, rendering optically confined polariton condensates a promising platform for applications such as many-body quantum circuitry and continuous-variable quantum processing.
机译:我们报告了光学环形阱中的纯量子态极化子凝聚。对基本机理的研究表明,极化子波函数总是在单个纯量子态中聚结,与直觉相反,该纯量子态总是与激子储层重叠的最高约束态。这种状态的可调谐性与短的极化子寿命相结合,可以在具有明显不同对称性的相干介观波函数之间实现超快过渡,从而使光学受限极化子凝聚了一个有前途的平台,可用于多体量子电路和连续可变量子处理等应用。

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