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08 October 2024 |
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Restoring and tailoring very high dimensional spatial entanglement of a biphoton state transmitted through a scattering medium | | Fabrice Devaux
; Alexis Mosset
; Sébastien M. Popoff
; Eric Lantz
; | | Date: |
1 Jun 2022 | | Abstract: | We report experimental results where a momentum entangled biphoton state with
a giant dimensionality of 8000 is retrieved and manipulated when only one
photon of the pair is transmitted through a thin scattering medium. For this
purpose, the transmission matrix of the complex medium is first measured with a
phase-shifting interferometry measurement method using a spatial light
modulator (SLM) illuminated with a laser source. From this matrix, different
phase masks are calculated and addressed on the SLM to spatially control the
focusing of the laser through the complex medium. These same masks are used to
manipulate the phase of the biphoton wave function transmitted by the thin
diffuser in order to restore and control in the same way the momentum
correlations between the far-field images of twin beams issued from strongly
spatial-multi-mode spontaneous parametric down conversion. | | Source: | arXiv, 2206.00299 | | Services: | Forum | Review | PDF | Favorites | |
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