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Electro-mechanical Systems

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Area of Science:

Quantum optics
Quantum information science
Quantum technology

Background:

Frequency conversion is vital for quantum technologies.
Optic-microwave entanglement is a key area of research.
Quantum signal processing requires understanding entanglement dynamics.

Purpose of the Study:

Investigate optic-microwave entanglement generation via electro-optomechanical frequency conversion.
Quantify the entanglement of the converted two-mode Gaussian state.
Analyze the survival of entanglement concerning system parameters and establish an upper bound for highly entangled states.

Main Methods:

Applied an electro-optomechanical frequency conversion scheme.
Utilized an optical two-mode squeezed vacuum state.
Quantified and analyzed entanglement of the resulting Gaussian state.

Main Results:

Successfully generated optic-microwave entanglement.
Quantified the entanglement of the converted state.
Demonstrated an upper bound for entanglement survival in highly entangled optical states after conversion.

Conclusions:

The study provides a theoretical framework for practical quantum illumination systems.
Understanding entanglement limits is crucial for developing quantum technologies.
Electro-optomechanical conversion offers a pathway for quantum signal manipulation.