Directional Coupling for Quantum Computing and Communication

Abstract

We introduce the concept of directional coupling, i.e., the selective transfer of a state between adjacent quantum wires, in the context of quantum computing and short-distance communication. Our analysis rests upon a mathematical analogy between a dual-channel directional coupler and a composite spin system.

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References in corpus (5)

• Perfect Transfer of Arbitrary States in Quantum Spin Networks
• Quantum Communication through Spin Chain Dynamics: an Introductory Overview
• Electron wavepacket propagation and entanglement in a chain of coupled quantum dots
• Quantum state transfer and time-dependent disorder in Quantum Chains
• Geometric Effects and Computation in Spin Networks