Experimental Realization of a Deterministic Quantum Router with Superconducting Quantum Circuits
Zhiling Wang, Yukai Wu, Zenghui Bao, Yan Li, Cheng Ma, Haiyan Wang, Yipu Song, Hongyi Zhang, Luming Duan
DOI 10.1103/PhysRevApplied.15.014049 · Physical Review Applied
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
A quantum router is an elementary building block for quantum-information processing. It directs the incoming quantum signal to different routes with phase coherence. To realize scalable quantum routing, a single particle needs to deterministically and coherently route the paths of a flying qubit, which requires nonlinear interaction at the single quantum level and complicated path-data qubit control so far beyond the experimental reach. Here we demonstrate a deterministic quantum router working at microwave frequencies based on superconducting circuits, which can naturally integrate with a leading platform for quantum computing. We encode the quantum signal into a weak coherent pulse and use an entanglement witness to rigorously verify the generated entanglement between the control qubit and the path of the data qubit, thus proving quantum coherence of the routing operation. Our experiment lays the foundation for useful applications of quantum routers in quantum networks and quantum random-access memories.
Similar papers
Deterministic quantum communication between fixed-frequency superconducting qubits via broadband resonators
similarity 0.92Takeaki Miyamura et al.
Source status unknown — claims are unverified
Implementation of a Quantum Addressable Router Using Superconducting Qubits
similarity 0.92Connie Miao et al.
Source status unknown — claims are unverified
Single-photon quantum router in the microwave regime utilizing double superconducting resonators with tunable coupling
similarity 0.92Y. T. Zhu & W. Z. Jia
Source status unknown — claims are unverified
Robust Concurrent Remote Entanglement Between Two Superconducting Qubits
similarity 0.91A. Narla et al.
Source status unknown — claims are unverified
Robust and Fast Holonomic Quantum Gates with Encoding on Superconducting Circuits
similarity 0.90Tao Chen et al.
Source status unknown — claims are unverified
Tuning the coupling between superconducting resonators with collective qubits
similarity 0.90Qi-Ming Chen et al.
Source status unknown — claims are unverified