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NTT technical review

Research Isn't Evolution--It's Revolution!

William J. Munro

Published Mar 1, 2016• 0 citations
Publisher

Abstract

In this issue, we welcome Dr. William J. Munro, the first non-Japanese group leader within NTT laboratories, as our front-line researcher.Bill passionately tells us about quantum physics, which has the potential to bring great change to the world, and its application to the field of information and communications.He also tells us why out of all the research institutes in the world, he decided to

DOI
10.53829/ntr201603fr1

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In this issue, we welcome Dr. William J. Munro, the first non-Japanese group leader within NTT laboratories, as our front-line researcher.Bill passionately tells us about quantum physics, which has the potential to bring great change to the world, and its application to the field of information and communications.He also tells us why out of all the research institutes in the world, he decided to
Researchers at NTT Basic Research Laboratories are aiming to create new technologies harnessing the power of quantum mechanics.In November 2020, they proposed a method for compressing quantum circuits to enable high-speed quantum computation and the miniaturization of quantum computers in the US scientific journal Physical Review X.In February 2021, the British scientific journal Nature Communications published a paper on the demonstration of a high-speed quantum random-number generator that achieves the highest levels of security by using the world's first practical optical device.We interviewed William John Munro, a senior distinguished researcher at the laboratories and leading figure in the broad field of quantum technology, about his research activities and his attitude as a researcher.
Achieving innovative research results by taking pioneering approach and attracting worldwide attention in the leader election problem -Dr.Tani, please tell us about your current area of research.I'm involved in the research of quantum computers (Fig. 1).Similar to conventional computers (called "classical computers" in the world of quantum computers), quantum computers consist of hardware and will not run without placing something equivalent to software on that hardware.In my work, I theoretically consider how to create that something corre-sponding to software (quantum algorithms), that is, how to bring out the performance of that hardware.I started out on this research path about 15 years ago.Let me point out here that a key premise in this research is that using a quantum computer to do computations will not necessarily be faster.There are many cases in which the speed of processing by a quantum computer will be about the same as that of a classical computer, depending on the type of computation.In fact, a lack of skill in creating a good quantum algorithm to run on quantum computers could result in even slower processing than classical computers.With this issue in mind, we have established several A Period without Direction Is a Time for Improving One's Basic Research Abilities-Better to Change Your Perspective than Follow the Crowd Front-line Researchers
Yuichiro Matsuzaki,1, ∗ Xiaobo Zhu,2 Kosuke Kakuyanagi,1 Hiraku Toida,1 Takaaki Shimooka,3 Norikazu Mizuochi,3 Kae Nemoto,4 Kouichi Semba,5 W. J. Munro,1 Hiroshi Yamaguchi,1 and Shiro Saito1 NTT Basic Research Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa, 243-0198, Japan. Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China. Graduate School of Engineering Science, University of Osaka, 1-3 Machikane-yama, Toyonaka, Osaka 560-8531, Japan. National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan. National Institute of Information and Communications Technology, 4-2-1, Nukuikitamachi, Koganei-city, Tokyo 184-8795 Japan