Classical and single photon memory devices based on polariton lasers
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866914054479544320 |
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| author | Novokreschenov, D. Kudlis, A. Kavokin, A. V. |
| author_facet | Novokreschenov, D. Kudlis, A. Kavokin, A. V. |
| contents | Stimulated scattering of incoherent excitons into an exciton-polariton mode leads to the build-up of a polariton condensate whose polarization is sensitive to a small seeded population that triggers the stimulated process. We show, within a semiclassical stochastic Gross-Pitaevskii model, that this mechanism enables a robust polarization memory operation: the condensate tends to align its Stokes vector with that of the seed and to maintain it for times far exceeding an individual polariton lifetime. Importantly, this single-photon-seeded regime is modeled as an initial weak excitation of the condensate mode. We quantify the memory performance by a classical polarization-alignment metric and find that the seed polarization can remain well preserved on a nanosecond timescale under realistic parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_20569 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Classical and single photon memory devices based on polariton lasers Novokreschenov, D. Kudlis, A. Kavokin, A. V. Mesoscale and Nanoscale Physics Stimulated scattering of incoherent excitons into an exciton-polariton mode leads to the build-up of a polariton condensate whose polarization is sensitive to a small seeded population that triggers the stimulated process. We show, within a semiclassical stochastic Gross-Pitaevskii model, that this mechanism enables a robust polarization memory operation: the condensate tends to align its Stokes vector with that of the seed and to maintain it for times far exceeding an individual polariton lifetime. Importantly, this single-photon-seeded regime is modeled as an initial weak excitation of the condensate mode. We quantify the memory performance by a classical polarization-alignment metric and find that the seed polarization can remain well preserved on a nanosecond timescale under realistic parameters. |
| title | Classical and single photon memory devices based on polariton lasers |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2509.20569 |