Experimental Randomness Amplification
7 hours ago
- #device-independent protocol
- #randomness amplification
- #quantum information
- Quantum information processing devices are inherently imperfect, requiring quantum error correction and randomness amplification to enhance flawed random bits for applications like cryptographic key generation.
- Randomness amplification is a device-independent protocol that requires no assumptions about internal workings and necessitates a loophole-free Bell test with high Bell violation and high repetition rate.
- The experimental demonstration combines theoretical advances enabling realistic parameter regimes with experimental progress using superconducting circuits, proving a definitive quantum advantage impossible with classical means.