Microsoft says U.S. can’t afford falling behind China in quantum computers

Microsoft says U.S. can’t afford falling behind China in quantum computers


Microsoft President Brad Smith speaks during signing ceremony of cooperation agreement between the Polish Ministry of Defence and Microsoft, in Warsaw, Poland, February 17, 2025.

Kacper Pempel | Reuters

The U.S. cannot afford to fall behind China in the race to a working quantum computer, Microsoft President Brad Smith wrote Monday.

President Donald Trump and the U.S. government need to prioritize funding for quantum research, or China could surpass the U.S., endangering economic competitiveness and security, Smith wrote.

“While most believe that the United States still holds the lead position, we cannot afford to rule out the possibility of a strategic surprise or that China may already be at parity with the United States,” Smith wrote. “Simply put, the United States cannot afford to fall behind, or worse, lose the race entirely.”

Microsoft’s position is the latest sign that research into quantum computing is starting to heat up among big tech companies and investors who are looking for the next technology that could rival the artificial intelligence boom.

Smith is calling for the Trump administration to increase funding for quantum research, renew the National Quantum Initiative Act and expand a program for testing quantum computers by the Defense Advanced Research Projects Agency, or DARPA. The Microsoft executive is also calling on the White House to expand the educational pipeline of people who have the math and science skills to work on quantum machines, fast-track immigration for Ph.D.s with quantum skills and for the government to buy more quantum-related computer parts to build a U.S. supply chain.

Microsoft did not detail how China surpassing the U.S. in quantum computing technology would endanger national security, but a National Security Agency official last year discussed what could happen if China or another adversary surprised the U.S. by building a quantum computer first.

The official, NSA Director of Research Gil Herrera, said that if such a “black swan” event happened, banks might not be able to keep transactions private because a quantum computer could crack their encryption, according to the Washington Times. A working quantum computer could also crack existing encrypted data that is usually shared publicly in a scrambled fashion, which could reveal secrets on U.S. nuclear weapon systems.

In February, Microsoft announced its latest quantum chip called Majorana, claiming that it invented a new kind of matter to develop the prototype device. Last year, Google announced Willow, a new device the company claimed was a “milestone” because it was able to correct errors and solve a math problem in five minutes that would have taken longer than the age of the universe on a traditional computer.

While the computers people are used to use bits that are either 0 or 1 to do calculations, quantum computers use “qubits,” which end up being on or off based on probability. Experts say that quantum computers will eventually be useful for problems with nearly infinite possibilities, such as simulating chemistry, or routing deliveries.

But the current quantum computers are far away from that point, and many computer industry participants say it could take decades for quantum computers to reach their potential.

Microsoft’s chip, Majorana, has eight qubits, but the company says it has a goal of least 1 million qubits for a commercially useful chip. Microsoft needs to build a device with a few hundred qubits before the company starts looking at whether it’s reliable enough for customers.

WATCH: How quantum computing could supercharge Google’s AI ambitions

How quantum computing could supercharge Google's AI ambitions



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