Quantum Fredkin gate based on synthetic three-body interactions in superconducting circuits
Wei Feng, Da-wei Wang
DOI 10.1103/PhysRevA.101.062312 · Physical Review A
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
We propose the generation of effective three-body interactions in superconducting circuits by coupling qubits or resonators to a bus qubit. Such interactions are characterized by energy exchange between two qubits or resonators depending on the state of the bus qubit. We show that a controlled-iswap (-iswap) gate can be naturally implemented based on the three-body interactions and it can be used to construct a quantum Fredkin (controlled-swap) gate. A generalized Fredkin gate which controls the swapping of photons between two resonators can be realized in a similar way. It can be used to generate the entangled state of a high number of photons. This proposal is promising to be demonstrated with superconducting circuits previously reported and will stimulate the implementation of multiqubit quantum gates based on many-body interactions.
Similar papers
Implementing a nonpairwise three-body interaction of superconducting qubits and its applications in realizing three-qubit entanglement and quantum gates
similarity 0.92Tong Liu
Source status unknown — claims are unverified
All-Microwave Manipulation of Superconducting Qubits with a Fixed-Frequency Transmon Coupler
similarity 0.89Shotaro Shirai et al.
Source status unknown — claims are unverified
Geometric protected quantum bus in a hybrid superconducting-spin architecture
similarity 0.88Xing-Yu Zhu et al.
Source status unknown — claims are unverified
One-step implementation of a nonadiabatic geometric fSim gate in superconducting circuits
similarity 0.88M.-R. Yun et al.
Source status unknown — claims are unverified
Fully microwave-tunable universal gates in superconducting qubits with linear couplings and fixed transition frequencies
similarity 0.87Chad Rigetti & Michel Devoret
Source status unknown — claims are unverified
Using sideband transitions for two-qubit operations in superconducting circuits
similarity 0.87P. J. Leek et al.
Source status unknown — claims are unverified