Carrier-Assisted Entanglement Purification
The Carrier-Assisted Entanglement Purification Protocol (CAEPP) purifies noisy entanglement using only one shared pair and a transmitted carrier qubit, avoiding the need for extra entangled pairs. It uses quantum memories and single-qubit transmission to distill high-fidelity entanglement, offering a practical alternative to traditional two-way protocols by requiring fewer resources.