• Physics 16, s90
An in depth blueprint for a molecular-spin-based quantum processor brings this expertise nearer to actuality.
Established quantum-computing platforms, comparable to superconducting circuits and ion traps, undergo from issues associated to error mitigation and correction. These points could possibly be prevented through the use of a quantum processor wherein the same old two-level computational items (qubits) are changed with multilevel items (qudits). Now Stefano Carretta on the College of Parma in Italy and his colleagues suggest a design for such a processor that makes use of qudits comprised of molecular spins . The researchers lay out strategies to implement elementary qudit operations of their processor and to learn out the computational output.
The essential constructing block of the brand new processor incorporates two molecular-spin qudits coupled to a superconducting resonator. The resonator reads out the states of the qudits and mediates an interplay between them that enables the execution of quantum operations. So-called transmission strains generate native electromagnetic pulses that allow the management of every qudit’s state.
Carretta and his colleagues reveal that their scheme could be generalized to an array of such parts. They then present tips on how to encode a number of qubits inside a single molecular-spin qudit, offering a path to simplifying quantum operations, which might restrict errors. The researchers additionally current schemes for executing operations involving one or two qudits, which they take a look at in simulations primarily based on a practical experimental format. In response to the staff, the profitable outcomes of those assessments counsel that this platform might present the idea for a common quantum processor, the “holy grail” of quantum computing.
Ryan Wilkinson is a Corresponding Editor for Physics Journal primarily based in Durham, UK.
- A. Chiesa et al., “Blueprint for a molecular-spin quantum processor,” Phys. Rev. Appl. 19, 064060 (2023).