Spectrum-to-position mapping via programmable spatial dispersion implemented in an optical quantum memory
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2023
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866909113913442304 |
|---|---|
| author | Jastrzębski, Marcin Kurzyna, Stanisław Niewelt, Bartosz Mazelanik, Mateusz Wasilewski, Wojciech Parniak, Michał |
| author_facet | Jastrzębski, Marcin Kurzyna, Stanisław Niewelt, Bartosz Mazelanik, Mateusz Wasilewski, Wojciech Parniak, Michał |
| contents | Spectro-temporal processing is essential in reaching ultimate per-photon information capacity in optical communication and metrology. In contrast to the spatial domain, complex multimode processing in the time-frequency domain is however challenging. Here we propose a protocol for spectrum-to-position conversion using spatial spin wave modulation technique in gradient echo quantum memory. This way we link the two domains and allow the processing to be performed purely on the spatial modes using conventional optics. We present the characterization of our interface as well as the frequency estimation uncertainty discussion including the comparison with Cramér-Rao bound. The experimental results are backed up by numerical numerical simulations. The measurements were performed on a single-photon level demonstrating low added noise and proving applicability in a photon-starved regime. Our results hold prospects for ultra-precise spectroscopy and present an opportunity to enhance many protocols in quantum and classical communication, sensing, and computing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_01793 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Spectrum-to-position mapping via programmable spatial dispersion implemented in an optical quantum memory Jastrzębski, Marcin Kurzyna, Stanisław Niewelt, Bartosz Mazelanik, Mateusz Wasilewski, Wojciech Parniak, Michał Quantum Physics Atomic Physics Optics Spectro-temporal processing is essential in reaching ultimate per-photon information capacity in optical communication and metrology. In contrast to the spatial domain, complex multimode processing in the time-frequency domain is however challenging. Here we propose a protocol for spectrum-to-position conversion using spatial spin wave modulation technique in gradient echo quantum memory. This way we link the two domains and allow the processing to be performed purely on the spatial modes using conventional optics. We present the characterization of our interface as well as the frequency estimation uncertainty discussion including the comparison with Cramér-Rao bound. The experimental results are backed up by numerical numerical simulations. The measurements were performed on a single-photon level demonstrating low added noise and proving applicability in a photon-starved regime. Our results hold prospects for ultra-precise spectroscopy and present an opportunity to enhance many protocols in quantum and classical communication, sensing, and computing. |
| title | Spectrum-to-position mapping via programmable spatial dispersion implemented in an optical quantum memory |
| topic | Quantum Physics Atomic Physics Optics |
| url | https://arxiv.org/abs/2308.01793 |