Researchers from the University of Waterloo have devised a way to precisely control the laser light used to manipulate qubits.
When a qubit is measured using laser light, the process often ends up damaging the neighboring qubits. Holograms can solve this problem.
A new study from the University of Waterloo researchers proposes a solution to this problem. The study authors have devised a way to precisely control the laser light used to manipulate qubits.“This demonstration has the potential to significantly impact future research in the field, including advancing quantum processors, enhancing speed and capabilities for tasks like quantum simulations in machines that already exist today, and implementing error correction.
The former is employed to readout, reset, and manipulate qubits using laser light. During this process, qubits are represented by ions that are confined in electromagnetic fields. The latter is used for shaping and manipulating laser light through optical elements However, “The target ion scatters photons in all directions during this process. Even with perfect control over light, there is still a risk that these scattered photons could disturb the quantum states of nearby qubits, which limits how well we can protect them,” Rajibul Islam, senior study author and a professor at the University of Waterloo, said.
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