Abstract
Free-space quantum key distribution is gaining increasing interest as a leading platform for long range quantum communication. However, the sensitivity of quantum correlations to scattering induced by turbulent atmospheric links limits the performance of such systems. Recently, a method for compensating for the scattering of entangled photons was demonstrated, allowing for real-time optimization of their quantum correlations. In this Letter, we demonstrate the use of wavefront shaping for compensating for the scattering of non-collinear and non-degenerate entangled photons. These results demonstrate the applicability of wavefront shaping schemes for protocols utilizing the large bandwidth and emission angle of the entangled photons.
| Original language | English |
|---|---|
| Pages (from-to) | 6727-6830 |
| Number of pages | 104 |
| Journal | Optics Letters |
| Volume | 45 |
| Issue number | 24 |
| DOIs | |
| State | Published - 15 Dec 2020 |
Bibliographical note
Publisher Copyright:© 2020 Optical Society of America
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