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NTT technical review

Where There Is Will, There Is a Way. Researchers, Be Long-term Optimists

Shiro Saito

Published Nov 1, 2021• 0 citations
Publisher

Abstract

Quantum information technology is attracting attention as a source of technological innovation that will bring about major changes in the future economy and society.Countries around the world, including Japan, the United States, Europe, and China, are positioning research and development of quantum information technology as one of their national strategies.We interviewed Shiro Saito, a senior distinguished researcher at NTT Basic Research Laboratories and who is making a significant contribution to the development of quantum information technology, about the progress of his research and his attitude as a researcher.

DOI
10.53829/ntr202111fr1

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Quantum information technology is attracting attention as a source of technological innovation that will bring about major changes in the future economy and society.Countries around the world, including Japan, the United States, Europe, and China, are positioning research and development of quantum information technology as one of their national strategies.We interviewed Shiro Saito, a senior distinguished researcher at NTT Basic Research Laboratories and who is making a significant contribution to the development of quantum information technology, about the progress of his research and his attitude as a researcher.
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In the early decades of the 20th century, the inception of quantum mechanics catalyzed the first quantum revolution, resulting in groundbreaking technological advances, such as nuclear energy, semiconductors, lasers, nuclear magnetic resonance, superconductivity, and global satellite positioning systems. These innovations have promoted significant progress in material civilization, fundamentally changed the way of life and societal landscape of humanity. Since the 1990s, quantum control technology has made significant strides forward, ushering in a rapid evolution of quantum technologies, notably exemplified by quantum information science. This encompasses domains such as quantum communication, quantum computing, and quantum precision measurement, offering paradigm-shifting solutions for enhancing information transmission security, accelerating computational speed, and elevating measurement precision. These advances hold the potential to provide crucial underpinning for national security and the high-quality development of the national economy. The swift progression of quantum information technology heralds the advent of the second quantum revolution. Following nearly three decades of concerted efforts, China’s quantum information technology field as a whole has achieved a leap. Specifically, China presently assumes a prominent international role in both the research and practical application of quantum communication, leading the global domain in quantum computing, and achieving international preeminence or advanced standing across various facets of quantum precision measurement. Presently, it is imperative to conduct a comprehensive assessment of the developmental priorities in the realm of quantum information in China for the forthcoming 5 to 10 years, in alignment with national strategic priorities and the evolving landscape of international competition. This will enable the proactive establishment of next-generation information technology systems that are secure, efficient, autonomous, and controllable.
Quantum information science and technology is a vast field that includes computing, telecommunications, detection and sensors, with a wide range of applications. Taken together, these technologies promise to revolutionise our information systems. The significant advances in quantum technologies in recent years, and their implications for security and the economy in particular, have created a real momentum of interest among governments, including in Europe. Despite the impressive advances made by the two giants, China and the United States, and unlike most other digital technologies, Europe (in the geographical sense) is well placed in the global race for quantum technologies. On this promising basis, can Europe hope to achieve technological sovereignty in quantum technology? There are two main challenges: firstly, reconciling the objective of sovereignty with international cooperation, and secondly, ensuring that any quantum strategy is rooted in a holistic, long-term perspective.
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