University System of Maryland

Martin Lichtman

Christopher R Monroe

Clayton Crocker

Ismail Volkan Inlek

Ksenia Sosnova

The disclosure describes aspects of using multiple species in trapped-ion nodes for quantum networking. In an aspect, a quantum networking node is described that includes multiple memory qubits, each memory qubit being based on aYbatomic ion, and one or more communication qubits, each communication qubit being based on aBaatomic ion. The memory and communication qubits are part of a lattice in an atomic ion trap. In another aspect, a quantum computing system having a modular optical architecture is described that includes multiple quantum networking nodes, each quantum networking node including multiple memory qubits (e.g., based on aYbatomic ion) and one or more communication qubits (e.g., based on aBaatomic ion). The memory and communication qubits are part of a lattice in an atomic ion trap. The system further includes a photonic entangler coupled to each of the multiple quantum networking nodes.

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Philadelphia, PA, United States of America

Martin Lichtman