Self-organized photonic time quasicrystal from a single imposed clock
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866909025204961280 |
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| author | Kyung, Minwook Lee, Kyungmin Kim, Yung Moon, Eun-Gook Choi, Joonhee Min, Bumki |
| author_facet | Kyung, Minwook Lee, Kyungmin Kim, Yung Moon, Eun-Gook Choi, Joonhee Min, Bumki |
| contents | A photonic time crystal usually writes a clock into a medium. Here one clock does more than program the medium: it seeds a quasiperiodic temporal order that the nonlinear medium selects for itself. In a guided-wave lattice of nonlinear dipoles, a single-tone pump modulates the polarization sector, while Maxwell--polarization back-action selects two response frequencies whose only resolved low-order relation is the pump-locked sum condition. Their sum phase locks to the pump and the complementary phase winds, producing a photonic discrete time quasicrystal with torus-like phase dynamics and a discrete combination spectrum. Site-resolved measurements show locked-phase coherence across the measured lattice sites over a finite control-parameter window. These results establish a route from externally programmed time-varying media to self-organized temporal order in nonlinear photonic systems. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_05649 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Self-organized photonic time quasicrystal from a single imposed clock Kyung, Minwook Lee, Kyungmin Kim, Yung Moon, Eun-Gook Choi, Joonhee Min, Bumki Optics Applied Physics A photonic time crystal usually writes a clock into a medium. Here one clock does more than program the medium: it seeds a quasiperiodic temporal order that the nonlinear medium selects for itself. In a guided-wave lattice of nonlinear dipoles, a single-tone pump modulates the polarization sector, while Maxwell--polarization back-action selects two response frequencies whose only resolved low-order relation is the pump-locked sum condition. Their sum phase locks to the pump and the complementary phase winds, producing a photonic discrete time quasicrystal with torus-like phase dynamics and a discrete combination spectrum. Site-resolved measurements show locked-phase coherence across the measured lattice sites over a finite control-parameter window. These results establish a route from externally programmed time-varying media to self-organized temporal order in nonlinear photonic systems. |
| title | Self-organized photonic time quasicrystal from a single imposed clock |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2605.05649 |