Journal
PHYSICAL REVIEW A
Volume 82, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.053806
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Funding
- DARPA/MTO through AFOSR [NSF-DMR-0956064, NSF-CCF-0916303]
- Direct For Computer & Info Scie & Enginr
- Division of Computing and Communication Foundations [0916303] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0956064] Funding Source: National Science Foundation
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An optomechanical interface that converts quantum states between optical fields with distinct wavelengths is proposed. A mechanical mode couples to two optical modes via radiation pressure and mediates the quantum state mapping between the two optical modes. A sequence of optomechanical pi/2 pulses enables state-swapping between optical and mechanical states, as well as the cooling of the mechanical mode. Theoretical analysis shows that high-fidelity conversion can be realized for states with small photon numbers in systems with experimentally achievable parameters. The pulsed conversion process also makes it possible to maintain high conversion fidelity at elevated bath temperatures.
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