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An Earth-sized computer could do what IBM's quantum chip can do

IBM’s new quantum chip predicts that quantum systems will begin to outperform classical computers in certain tasks over the next two years.

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The company states that its quantum chip called “Eagle” contains 127 qubits (classic computers work with ‘bits’ that have a value of either 1 or 0, but qubits can take both 1 and 0). The IBM Eagle processor is a milestone in the effort to develop large-scale quantum computers. This is the company’s first chip to have more than 100 qubits. According to IBM, due to Eagle’s high qubit count, it is also the first quantum processor that is too advanced to be simulated on a classic supercomputer.

However, qubits are extremely difficult to build. But in recent years, IBM has been steadily expanding its quantum processors with new qubits to bring it closer to where the technology is already capable of practical applications. IBM’s early Canary quantum chips started with five qubits. These were followed by the 27-qubit Falcon series and the 65-qubit Hummingbird processor, which debuted last year.

combined with other advances in the cooling and control system of the quantum computer. Big Blue has announced that it will design a chip codenamed “Osprey” with 433 qubits and a codename “Condor” with 1121 qubits by 2022.

Eagle is based on the so-called heavy hexagonal quantum chip design IBM was first described last year. The design was created to reduce qubit errors, which are one of the biggest obstacles to large-scale quantum computers.

In a quantum chip, qubits work together to perform calculations. Qubits are linked by special connections to allow them to exchange information for processing purposes. Linking qubits is essential to make calculations easier, but it is also a challenge. Connected qubits interfere with each other, leading to errors that can make the calculation results inaccurate

The heavy hexagonal design implemented by IBM in Eagle reduces the error rate. Eagle is designed so that each qubit on the chip is connected to several other neighboring qubits to facilitate common computations. However, there are fewer connections between neighboring qubits than in IBM’s previous quantum chip architectures. This detail will help you reduce errors. Because the connected qubits interfere with each other, reducing the number of connections reduces interference, resulting in fewer computational errors. At the same time, the qubits in Eagle still retain the ability to exchange data, says SiliconAngle.

Another innovation from Eagle is a technology called read-out multiplexing. IBM’s previous-generation quantum processors installed a separate group of electronic components for each qubit, which was responsible for writing the data to the qubit and reading the results of the calculations. IBM says read-out multiplexing in Eagle reduces the amount of electronics needed to write and write data

Eagle and IBM’s other quantum chips run not in traditional servers but in a high-performance industrial refrigerator. . The refrigerator that houses the quantum chip is part of a larger chassis that includes a number of other accessories. The quantum chip, the refrigerator, and the various accessories in the chassis together make up the quantum computer. The company said the design will be able to accommodate more than 1,000 qubit chips, not only for Eagle, but also for launch in 2023. The system will also allow multiple quantum chips to be used together. IBM plans to accommodate more quantum chips in the chassis by optimizing the space utilization of cryogenic components used for cooling.

The company says they will be close to achieving the so-called “quantum advantage” by 2023, to the point where quantum computers will be able to beat classic computers. According to Darío Gil, head of research at IBM, this does not mean that quantum computers are one step ahead of traditional ones. Instead, IBM envisions a world where parts of a computing application run on traditional chips and parts run on quantum chips, depending on what is best for that task. “We believe we will be able to demonstrate a quantum advantage over the next few years, something that could be of practical use. That is our ambition,” Gil said, according to a Reuters report.

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Sandra Loyd
Sandra is the Reporter working for World Weekly News. She loves to learn about the latest news from all around the world and share it with our readers.

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