Quantum information exchange device and quantum information exchange method
A technology of quantum information and exchange device, applied in the direction of photonic quantum communication, etc., can solve the problem of not giving superconducting magnetic flux qubits, etc., to achieve the effect of realizing quantum information exchange
Active Publication Date: 2020-12-15
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA +1
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[0003] However, in the prior art, there is no technical solution on how to couple superconducting magnetic flux qubits with spin waves to realize quantum information exchange
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[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0023] figure 1 It is a schematic structural diagram of a quantum information exchange device provided by an embodiment of the present invention. see figure 1 , the quantum information exchange device includes a microwave generator 1 , a superconducting magnetic flux qubit 2 , a yttrium iron garnet block 3 and a bias magnetic field generator 4 . The superconducting magnetic flux qubit 2 includes three Josephson junctions 21 and a plurality of connecting wires 22; the connecting wires 22 connect the three Josephs...
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The embodiment of the invention discloses a quantum information exchanging device and a quantum information exchanging method. The quantum information exchanging device comprises a microwave generator, a superconducting flux qubit, a yttrium iron garnet block and a bias magnetic field generator; the superconducting flux qubit is of a ring structure formed by connecting three Josephson junctions inseries through connecting wires; the yttrium iron garnet block and the superconducting flux qubit are sequentially arranged in a first direction, and a vertical projection of the yttrium iron garnetblock on the plane of the ring structure in the first direction is located in an area enclosed by the ring structure; the microwave generator is used for generating microwaves to excite the superconducting flux qubit to be in different energy levels and detect the current energy level of the superconducting flux qubit; the yttrium iron garnet block is located in a magnetic field formed by the biasmagnetic field generator; and the magnetic field direction of the magnetic field formed by the bias magnetic field generator is parallel to the plane of the ring structure, so that the device for achieving quantum information exchanging by coupling the superconducting flux qubit with spin waves is provided.
Description
technical field [0001] Embodiments of the present invention relate to quantum information processing technology, and in particular to a quantum information exchange device and a quantum information exchange method. Background technique [0002] At present, superconducting magnetic flux qubits have been widely developed and applied in the fields of quantum computing and quantum simulation. At the same time, the use of spin waves as the carrier of new information processing, and even the computing technology based on spin waves have also been proposed and developed to a certain extent. [0003] However, in the prior art, there is no technical solution on how to couple the superconducting magnetic flux qubit with the spin wave to realize quantum information exchange. Contents of the invention [0004] The present invention provides a quantum information exchange device and a quantum information exchange method, in order to provide a technical solution for coupling supercondu...
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IPC IPC(8): H04B10/70
CPCH04B10/70
Inventor 俞大鹏蒋良刘松于海明袁少杰
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA