Circuit knitting
Circuit knitting was proposed recently (Piveteau and Sutter 2022), given the complexity of providing larger chips without introducing large amounts of errors. Instead of aiming for larger, fully quantum chips, you could think of distributed resource systems where these instances are classically connected.
This type of architecture has been exploited in the field of distributed GPU computing (Gu et al. 2019), distributed computing for big data (Zaharia et al. 2012), and even edge computation (Shi 2016). However, it does not entail a paradigm shift from classical to quantum as all these resources work, let’s say, at the same physical level.
The main difference between those approaches and circuit knitting is the need to split a quantum circuit that would classically communicate with other parts of the circuit. Assuming there is a group of gates that could minimize the cut between two groups of more densely connected operations, you could split the circuit...
