Guardado en:
| Autores principales: | , , , , , , , , , , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2025
|
| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2509.23093 |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866917000769437696 |
|---|---|
| author | Liu, Dawei Luo, Daijun Wang, Huiming Zhang, Xingyuan Tao, Zhirong JiaShaner, Dana Tao, Zhensheng Cao, Qian Zhang, Xiaoshi Fan, Guangyu Zhan, Qiwen |
| author_facet | Liu, Dawei Luo, Daijun Wang, Huiming Zhang, Xingyuan Tao, Zhirong JiaShaner, Dana Tao, Zhensheng Cao, Qian Zhang, Xiaoshi Fan, Guangyu Zhan, Qiwen |
| contents | Sculpting light across its independent degrees of freedom-from orbital angular momentum to the discrete wavelengths of optical frequency combs-has unlocked vast communication bandwidth by enabling massively parallel information channels. However, the Shannon-Hartley theorem sets a hard limit by tying channel capacity to the trade-off between SNR and rate, a central challenge in communication. Inspired by lock-in amplification in electronics, we encode data on THz optical burst carriers so the signal resides beyond the conventional noise band, yielding exceptional robustness. By leveraging a programmable all-degree-of-freedom (All-DoF) modulator, we generate a spatiotemporal topological comb (ST-Comb) that structures light into a vast, highentropy state space for high-dimensional information encoding. Crucially, we find that the associated topological winding number is preserved under diverse perturbations, ensuring stable information encoding and retrieval. This paradigm illustrates how structured light can simultaneously expand channel dimensionality and maintain robustness, charting a pathway to chip-scale, reconfigurable photonic platforms for the PHz era, while also opening previously inaccessible regimes of light-matter interaction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_23093 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spatiotemporal Topological Combs for Robust High-Dimensional Information Transmission Liu, Dawei Luo, Daijun Wang, Huiming Zhang, Xingyuan Tao, Zhirong JiaShaner, Dana Tao, Zhensheng Cao, Qian Zhang, Xiaoshi Fan, Guangyu Zhan, Qiwen Optics Sculpting light across its independent degrees of freedom-from orbital angular momentum to the discrete wavelengths of optical frequency combs-has unlocked vast communication bandwidth by enabling massively parallel information channels. However, the Shannon-Hartley theorem sets a hard limit by tying channel capacity to the trade-off between SNR and rate, a central challenge in communication. Inspired by lock-in amplification in electronics, we encode data on THz optical burst carriers so the signal resides beyond the conventional noise band, yielding exceptional robustness. By leveraging a programmable all-degree-of-freedom (All-DoF) modulator, we generate a spatiotemporal topological comb (ST-Comb) that structures light into a vast, highentropy state space for high-dimensional information encoding. Crucially, we find that the associated topological winding number is preserved under diverse perturbations, ensuring stable information encoding and retrieval. This paradigm illustrates how structured light can simultaneously expand channel dimensionality and maintain robustness, charting a pathway to chip-scale, reconfigurable photonic platforms for the PHz era, while also opening previously inaccessible regimes of light-matter interaction. |
| title | Spatiotemporal Topological Combs for Robust High-Dimensional Information Transmission |
| topic | Optics |
| url | https://arxiv.org/abs/2509.23093 |