Salvato in:
| Autori principali: | , , , , , , , |
|---|---|
| Natura: | Preprint |
| Pubblicazione: |
2026
|
| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2605.11786 |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1866914557710041088 |
|---|---|
| author | Xu, Zhenqi Guo, Mucheng Sun, Weiye Liang, Pengjun Zhou, Zongquan Wang, Fudong Liu, Shuping Zhong, Manjin |
| author_facet | Xu, Zhenqi Guo, Mucheng Sun, Weiye Liang, Pengjun Zhou, Zongquan Wang, Fudong Liu, Shuping Zhong, Manjin |
| contents | We report the first experimental realization of backward retrieval in a spin-wave quantum memory based on a Stark-echo-modulated protocol in Eu3+:Y2SiO5. By using Stark control, we preserve the full optical depth of the ensemble while suppressing coherent noise, enabling conditional storage fidelities above 97%. Our analysis shows that the present backward-retrieval efficiency is mainly limited by technical imperfections rather than by fundamental constraints. With realistic engineering improvements, backward retrieval in this protocol could move beyond the reabsorption-limited forward-emission regime. The protocol is also compatible with cavity-enhanced operation, offering an additional route toward higher efficiencies. These findings establish Stark-echo modulation as a practical and scalable route to high-efficiency, long-lived solid-state quantum memories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_11786 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Realization of Backward Retrieval in a Stark-modulated Spin-wave Quantum Memory Xu, Zhenqi Guo, Mucheng Sun, Weiye Liang, Pengjun Zhou, Zongquan Wang, Fudong Liu, Shuping Zhong, Manjin Quantum Physics We report the first experimental realization of backward retrieval in a spin-wave quantum memory based on a Stark-echo-modulated protocol in Eu3+:Y2SiO5. By using Stark control, we preserve the full optical depth of the ensemble while suppressing coherent noise, enabling conditional storage fidelities above 97%. Our analysis shows that the present backward-retrieval efficiency is mainly limited by technical imperfections rather than by fundamental constraints. With realistic engineering improvements, backward retrieval in this protocol could move beyond the reabsorption-limited forward-emission regime. The protocol is also compatible with cavity-enhanced operation, offering an additional route toward higher efficiencies. These findings establish Stark-echo modulation as a practical and scalable route to high-efficiency, long-lived solid-state quantum memories. |
| title | Realization of Backward Retrieval in a Stark-modulated Spin-wave Quantum Memory |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.11786 |