Journal
PHYSICAL REVIEW A
Volume 80, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.022304
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Funding
- Czech Ministry of Education [MSM 6198959213, LC06007, 202/08/0224]
- Alexander von Humboldt Foundation
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We propose a continuous-variable quantum interface that transfers an arbitrary unknown quantum state between a well-controllable source oscillator and a weakly controllable noisy target oscillator through an arbitrary Gaussian coupling. The unit fidelity of transfer is achieved by the preprocessing of the source state involving an ancillary system, collective measurement of the source after the coupling together with the ancilla, and by a subsequent feed-forward correction of the target. Particularly, these techniques allow the transfer of quantum states of light to arbitrarily noisy matter systems.
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