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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Tunable single-photon frequency conversion in a Sagnac interferometer.

Wei-Bin Yan¹, Jin-Feng Huang², Heng Fan¹

¹Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.

Scientific Reports

|December 20, 2013

Summary

This summary is machine-generated.

This study demonstrates tunable single-photon frequency conversion using a five-level emitter-Sagnac interferometer. This method efficiently converts photon wavelengths, crucial for integrating quantum storage and communication systems.

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Area of Science:

Quantum optics
Quantum information science
Photonics

Background:

Efficient integration of quantum systems is vital for quantum communication and storage.
Photon wavelength conversion is a key requirement for interfacing different quantum systems.

Purpose of the Study:

To investigate tunable single-photon frequency conversion in a five-level emitter-Sagnac interferometer.
To demonstrate efficient and scalable wavelength conversion for quantum information carriers.

Main Methods:

Utilizing a five-level quantum emitter coupled to a Sagnac interferometer.
Employing external driving fields to control photon frequencies and Rabi frequencies.

Main Results:

Achieved efficient single-photon frequency conversion.
Demonstrated large-scale tunability of input and output photon frequencies.
Showcased the potential for controlled wavelength manipulation of photons.

Conclusions:

The proposed scheme enables efficient single-photon frequency conversion.
Tunable conversion facilitates the integration of quantum storage and quantum communication systems.
This research may advance the development of hybrid quantum technologies.