Parity Cross-Resonance: A Multiqubit Gate
Researchers have introduced a novel three-qubit entangling gate called Parity Cross-Resonance. This gate leverages engineered interactions to perform control-control-target and control-target-target operations in a single step, offering a more robust alternative to decomposing operations into multiple two-qubit gates. The new gate demonstrates potential applications in preparing GHZ triplet states, implementing Toffoli-class logic, and enabling faster stabilizer measurements for quantum error correction. AI