Universal exciton polariton logic gates in Ouroboros rings
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866908905792077824 |
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| author | Schneider, Tobias Schumacher, Stefan Ma, Xuekai |
| author_facet | Schneider, Tobias Schumacher, Stefan Ma, Xuekai |
| contents | All-optical logic gates have significantly advanced over a diverse range of photonic systems, boosted by intricate nonlinearities that facilitate the engineering of complex logic operations. Here, we demonstrate that in semiconductor microcavities, polariton condensates trapped in Ouroboros-shaped rings form specifically charged vortices, determined by the strength of nonlinearity and the excitation method. Quantized vortex phases encode binary digits that can be nonresonantly controlled by optical pulses incident directly upon the ring, enabling logic operations. By interconnecting three polariton Ouroboros rings, we realize a universal set of logic gates (AND, OR, NIMPLY) fundamental to functional polaritonic devices. The Ouroboros structures are highly customizable, providing a robust and promising platform for exploring more complex logic operations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_21385 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Universal exciton polariton logic gates in Ouroboros rings Schneider, Tobias Schumacher, Stefan Ma, Xuekai Optics Quantum Gases All-optical logic gates have significantly advanced over a diverse range of photonic systems, boosted by intricate nonlinearities that facilitate the engineering of complex logic operations. Here, we demonstrate that in semiconductor microcavities, polariton condensates trapped in Ouroboros-shaped rings form specifically charged vortices, determined by the strength of nonlinearity and the excitation method. Quantized vortex phases encode binary digits that can be nonresonantly controlled by optical pulses incident directly upon the ring, enabling logic operations. By interconnecting three polariton Ouroboros rings, we realize a universal set of logic gates (AND, OR, NIMPLY) fundamental to functional polaritonic devices. The Ouroboros structures are highly customizable, providing a robust and promising platform for exploring more complex logic operations. |
| title | Universal exciton polariton logic gates in Ouroboros rings |
| topic | Optics Quantum Gases |
| url | https://arxiv.org/abs/2603.21385 |