Quantum circuit performs fast Fourier transform: Page 2 of 2

October 15, 2020 //By Rich Pell
Quantum circuit performs fast Fourier transform
Scientists at the Tokyo University of Science say they have developed a new quantum circuit that executes a fast Fourier transform (FFT) - a mathematical tool used in all fields of engineering.
computing, and this novel QFFT circuit represents a step in the right direction. In addition, say the researchers, the QFFT circuit is much more versatile than the QFT.

"One of the main advantages of the QFFT," says Assistant Professor Ryoko Yahagi, who also participated in the study, "is that it is applicable to any problem that can be solved by the conventional FFT, such as the filtering of digital images in the medical field or analyzing sounds for engineering applications."

With quantum computers (hopefully) right around the corner, say the researchers, the outcomes of this study will make it easier to adopt quantum algorithms to solve the many engineering problems that rely on the FFT. For more, see " Quantum circuit for the fast Fourier transform ."

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