Quantum researchers have discovered a groundbreaking way to enhance communication within quantum networks using hyperentanglement. Photons, the smallest units of electromagnetic energy, can transmit quantum information through various properties like path, polarization, and frequency.
By entangling photons, techniques such as quantum teleportation can be achieved. However, the connection is vulnerable to environmental factors, leading to potential errors.
A team of scientists at Oak Ridge National Laboratory has developed a new quantum gate that leverages hyperentanglement by entangling multiple properties of two photons, specifically polarization and frequency. This innovation has the potential to minimize errors in quantum communication and pave the way for future quantum network advancements.
Lead researcher Hsuan-Hao Lu explains, “By incorporating hyperentanglement, we can potentially mitigate errors that arise during photon transmission due to changes in polarization. This new technique is a significant step towards enhancing the reliability of quantum communication.”
The researchers have successfully controlled hyperentanglement using a novel quantum gate, marking a significant breakthrough in quantum networking technology.
Looking ahead, Lu expressed his excitement for the future deployment of this technology on ORNL’s quantum network.
Journal Reference:
- Hsuan-Hao Lu, Joseph M. Lukens, Muneer Alshowkan, Brian T. Kirby, and Nicholas A. Peters. Building a controlled-NOT gate between polarization and frequency. Optica Quantum. DOI: 10.1364/OPTICAQ.525837
