I was at first confused in that error correction is already in use. Then I realized that "qudits" is not a typo.
> A recent study by researchers from Yale University published in Nature created qudits—a quantum system that holds quantum information and can exist in more than two states. Using a qutrit (3-level quantum system) and a ququart (4-level quantum system), the researchers demonstrated the first-ever experimental quantum error correction for higher-dimensional quantum units using the Gottesman–Kitaev–Preskill (GKP) bosonic code.
I'll be interesting to see if these are more scalable than qubits or more applicable than decimal digital computer counterparts.
karmakaze•8mo ago
> A recent study by researchers from Yale University published in Nature created qudits—a quantum system that holds quantum information and can exist in more than two states. Using a qutrit (3-level quantum system) and a ququart (4-level quantum system), the researchers demonstrated the first-ever experimental quantum error correction for higher-dimensional quantum units using the Gottesman–Kitaev–Preskill (GKP) bosonic code.
I'll be interesting to see if these are more scalable than qubits or more applicable than decimal digital computer counterparts.