Conversion and storage of modes with orbital angular momentum in a quantum memory scheme
| Autor: | E. A. Vashukevich, Yu. M. Golubev, T. Yu. Golubeva |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Physics
Quantum Physics Angular momentum Field (physics) Plane wave FOS: Physical sciences Lambda 01 natural sciences 010305 fluids & plasmas Quantum mechanics 0103 physical sciences Quantum field theory Quantum Physics (quant-ph) 010306 general physics Quantum statistical mechanics Quantum Energy (signal processing) |
| Zdroj: | Physical Review A. 101 |
| ISSN: | 2469-9934 2469-9926 |
| Popis: | The paper studies the Raman quantum memory protocol as applied to quantum light with orbital angular momentum. The memory protocol is implemented on an ensemble of three-level cold atoms with the $\Lambda$- configuration of energy levels. The possibility of storing quantum statistics of light with an orbital momentum is analysed in the case when the driving field could be treated as a plane wave. The efficiency analysis shows that examined storage/retrieval processes do not cause the efficiency decreasing compared with the spatial multimode memory protocol considered in [Golubeva et al. 2012]]. We also present an effective transformation of the orbital angular momentum of a quantum field on a memory cell using the driving field with orbital angular momentum. Comment: 12 pages, 6 figures |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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