Quantum computing: Forget qubits, all the cool kids are talking about qutrits now
Quantum computing: Forget qubits, all the cool kids are talking most qutrits now
Quantum computing company Rigetti has announced information technology is exploring experimental new hardware configurations that could improve the performance of its quantum processors.
As explained in a weblog post, the business firm has introduced a 3rd free energy land to its qubits, thus turning them into qutrits. According to Rigetti, doing so allows for significantly more information to be manipulated, while also decreasing readout errors by up to threescore%.
"Accessing the 3rd land in our processors is useful for researchers exploring the cutting border of quantum computing, quantum physics and those interested in traditional qubit-based algorithms alike," the company explained.
Rigetti is currently offer access to qutrit operations via Quil-T, its pulse-level extension to the Quil pedagogy set architecture.
Behold, the qutrit
A quantum bit (or qubit) is the smallest unit of quantum information, an analogue to the binary flake of classical computing. Still, unlike the traditional bit, a qubit tin can adopt a value of one, zero or anything in betwixt by virtue of a miracle known as superposition.
"Qubits are the basic building block of a breakthrough processor, and are and so named because they represent a continuum of circuitous superpositions of 2 basic breakthrough states," explains Alex Loma, Senior Quantum Systems Engineer at Rigetti.
"The power of qubits comes in part from their ability to encode significantly more than information than a classical bit - an infinite set of states between 0 and ane."
Historically, researchers have attempted to attain quantum advantage (the point at which quantum systems outstrip traditional supercomputers in a meaningful way) by focusing on increasing the number of qubits on a breakthrough processor. Simply put, the larger the number of qubits, the more powerful the quantum automobile.
But last month, for case, IBM unveiled a record-breaking 127-qubit processor, codenamed Eagle. And Rigetti itself now offers an lxxx-qubit processor (the Aspen-eleven), created by linking 2 split 40-qubit processors together.
Nonetheless, Rigetti contends that the addition of a third land to qubits, creating a three-level quantum organisation based on qutrits, represents another path to improving the operation of breakthrough machines.
"With carefully-chosen readout parameters, nomenclature functioning can be significantly better when choosing between | 2> and | 0>, rather than the default classification between | 0> and | 1>," the visitor explained.
In future, it might even be possible to button towards qubits with an even larger number of states, says Rigetti. However, considering an ever-smaller amount of energy separates states beyond cypher and one, noise and control issues become increasingly difficult to surmount.
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Source: https://www.techradar.com/news/quantum-computing-forget-qubits-all-the-cool-kids-are-talking-about-qutrits-now
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