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This content is taken from the Keio University's online course, Understanding Quantum Computers. Join the course to learn more.

Skip to 0 minutes and 4 secondsAnd so we come to the end of the course. First off, we have to thank you, the learner, for sticking with us through several intensive weeks of learning. To start with, we studied some basic ideas of computer science and physics. In particular, we spent a lot of time working on waves. Now that you are familiar with the concept of better seeing interference everywhere you look. Then, we went on to study some quantum computing algorithms, learned about quantum computing hardware and even the new budding quantum information technology industry. This field is changing practically everyday. We hope you'll continue building on what you've learned in this course and continue studying quantum computing.

Skip to 0 minutes and 45 secondsIn fact, we hope you will come to Keio's Shonan Fujisawa campus and study here with us, but if you can't make it to Fujisawa, we have included a list of resources in the next step. See you in our next course.


No doubt you have learned quite a bit quantum computing – why researchers and businesspeople are excited about the potential uses of quantum computers; something about the underlying science of quantum effects and how we can compute using superposition, entanglement and interference; and the hard physics and engineering necessary to realize them.

It was not so long ago that the technologies necessary for quantum computing were beyond human capability. Work at the United States’ National Institute of Standards and Technology (NIST), led by David Wineland, and in France, led by Serge Haroche, resulted in the 2012 Nobel Prize in Physics. Simplified, we might say that Wineland won for controlling atoms using light, while Haroche won for controlling light using atoms.

Researchers in the field have won many other prizes, as well, and likely there will be more to come. But for us as engineers and scientists, and for many others in research and engineering, with support from governments and venture capitalists, the time has come to build systems that can be used to solve some of the critical problems facing society.

We hope that this is the beginning of your interest in, and study of, quantum computing, rather than its end. It is increasingly clear not just to us, as researchers, but to many people, that quantum technology will be one of the fundamental paradigm shifts of the twenty-first century. Come join us!

If you have enjoyed this course, you may want to check out our recommendations for Further Study in the previous Step as well as the further study opportunity in Japan introduced in the next Step.



長い間、量子コンピューティングに必要な技術は人間の能力を超越していました。 David Winelandが率いる米国国立標準技術研究所(NIST)、フランスのSerge Harocheの研究は、2012年のノーベル物理学賞を受賞しました。 簡単に言うと、Winelandは光を使って原子を制御する方法で受賞し、Harocheは原子を使って光を制御する方法で受賞しました。


私たちはあなたにとってこのコースの終わりが量子コンピューティングに関わる機会の終わりになるのではなく、量子コンピューティングへの関心と研究の始まりとなることを願っています。 研究者としての私たちだけでなく、多くの人々にとって、量子技術は21世紀の基本的なパラダイムシフトの1つになることはますます明白になっています!ぜひ参加しましょう!


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This video is from the free online course:

Understanding Quantum Computers

Keio University