Quantum Coupling
IntermediateQuantum Coupling is the controlled interaction between two or more qubits, allowing them to influence each other’s state and perform multi-qubit logic operations.
In Plain English
Imagine two nearby tuning forks. When you strike one, its vibrations travel through the air and cause the second fork to start vibrating in sympathy. Quantum coupling is a similar, precisely controlled link that allows the quantum state of one qubit to influence another, enabling them to work together.
Why It Matters for Your Career
Quantum Hardware Engineers and Qubit Designers at companies like Rigetti, IBM, and Google focus heavily on engineering reliable coupling mechanisms. In interviews for these roles, expect questions about different coupler types and their impact on gate fidelity and system crosstalk.
Related Terms
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