Non experts will agree – there is a lot to unpack here. The first demonstration of a logical entangling circuit that has higher fidelity than the corresponding physical circuit The first demonstration of entangling gates between two logical qubits done in a fully fault-tolerant manner using real-time error correctionĢ.
In their blog, Quantinuum describes the main achievements of this investigation as the followingġ. To understand the precise value of this progress, one needs to understand the challenges in error correction.
They have now pushed forward and entangled two of these logical qubits. Last year they made single logical qubits equipped to track errors in real time. Their quantum processors are getting large and accurate enough that they can now meaningfully try out some of these techniques. Quantinuum, the result from a merger between Honeywell Quantum Solutions and Cambridge Quantum, had already been working on error correction for a while. Moreover, to identify any potential errors and correct them, it is necessary to be able to repeatedly measure some qubits while keeping others alive. Poorly controlled qubits will work against each other, instead of protecting each other. Making and controlling good logical qubits is no easy feat. This collective entity is called a logical qubit. The only solution to this conundrum is to sacrifice several qubits to form one large cluster that cooperates to protect the quantum information better. But even the best engineering on top of the best error mitigation strategies will only give you a thousand or so operations before all the quantum “goodness” of your computer is gone. The most jaw-dropping applications for quantum computers require trillions or more operations on qubits.
#Microsoft win quantum error after all software
0 kommentar(er)
