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Coherent microwave-to-optical conversion by three-wave mixing in a room temperature atomic system
Optics Letters
|January 16, 2019
Summary
Researchers achieved coherent near-infrared light generation using Rb85 atoms and novel dipole interactions. This minimal decoherence scheme enables high-fidelity quantum state transfer between microwave and optical frequencies.
Area of Science:
- Atomic physics
- Quantum optics
- Nonlinear optics
Background:
- Three-wave mixing is a fundamental nonlinear optical process.
- Controlling decoherence is crucial for quantum information processing.
- Atomic systems offer unique platforms for quantum phenomena.
Purpose of the Study:
- To experimentally demonstrate coherent optical field generation in Rb85 atoms.
- To investigate a novel nonlinear process utilizing electric and magnetic dipole interactions.
- To develop a minimal decoherence scheme for quantum state transfer.
Main Methods:
- Utilizing a three-wave mixing phenomenon in an atomic energy level scheme.
- Employing induced electric and magnetic dipole interactions in Rb85 atoms.
- Leveraging two-photon and three-photon coherence to minimize decoherence.
Main Results:
- Observed coherent generation of a near-infrared optical field.
- Demonstrated nonlinear generation in a centro-symmetric, thermally broadened atomic system.
- Achieved a scheme with minimal optical decoherence.
Conclusions:
- The developed scheme enables efficient quantum state transfer between microwave and optical frequencies.
- Near-unit fidelity transfer is possible due to the minimal decoherence approach.
- This work advances quantum communication and computation technologies.
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