From the course: Quantum Computing Fundamentals
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Challenge: Entangle three qubits
From the course: Quantum Computing Fundamentals
Challenge: Entangle three qubits
(upbeat music) - It's time for another challenge to practice entangling some qubits. Your goal for this challenge is to build a quantum circuit that puts three qubits into what's known as the GHZ state. The Greenberger-Horne-Zeilinger or GHZ state is a specific type of entangled quantum state involving at least three qubits. The state vector for a three qubit GHZ state is shown here and we can see that those qubits have an equal probability of all being measured as zero or all being measured as one. All three of them will always have the same outcome and will never end up with a mixed measurement outcome. You can think of this as an extension of the two qubit Bell state we saw earlier in a previous video, but using more qubits. We've included a template in the exercise files that you can use as a starting point. There are multiple ways to achieve this desired GHZ state. So take some time to build and test your own solution.…
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