5. Quantum Hardware

Trappedions — Quiz

Test your understanding of trappedions with 5 practice questions.

Practice Questions

Question 1

In a Mølmer–Sørensen gate, the gate duration $T$ is given by $T=\frac{\pi}{2\eta\Omega}$. If the Rabi frequency $\Omega$ is doubled (with $\eta$ fixed), how does $T$ change?

Question 2

Which strategy ensures that sympathetic cooling lasers do not disturb the internal qubit states of logic ions?

Question 3

Which mechanism is typically the dominant source of decoherence in optical trapped-ion qubits?

Question 4

Pulse-shaping techniques in sideband transitions are used primarily to:

Question 5

Calculate the Mølmer–Sørensen gate time $T$ for $\eta=0.05$ and $\Omega=2\pi\times100\,\mathrm{kHz}$ using $T=\frac{\pi}{2\eta\Omega}$. What is $T$ in microseconds?