From sci-fi to reality: Researchers realise quantum teleportation using tech
2 days ago
- #quantum-teleportation
- #quantum-entanglement
- #fiber-optics
- Researchers achieved quantum teleportation using today's internet technology by leveraging quantum entanglement.
- Information was teleported between two devices by transferring the quantum state of light, not through traditional signal transmission.
- The experiment achieved a 72.1% success rate, surpassing the classical fidelity threshold of 66.7%, confirming genuine quantum transportation.
- Light was converted to a wavelength of 1,515 nanometers, compatible with current fiber optic infrastructure, ensuring minimal signal loss over distance.
- The study used two independent quantum dots to generate photons, unlike previous experiments that relied on a single light source.
- Frequency converters were employed to align the wavelengths of photons from the two quantum dots, enabling successful quantum teleportation.
- Challenges remain, including the need for extremely cold temperatures (267°C) and the complexity of wavelength conversion systems.
- The research represents a significant advancement for semiconductor-based quantum light sources, supported by QuantERA II and Qurope projects.