, is a

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

physicist A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. Physicists generally are interested in the root or ultimate cau ...

and professor at the

University of Tokyo , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project b ...

best known for having invented the magic wavelength technique for ultra precise optical lattice

atomic clocks An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions betwee ...

. Since 2011, Katori is also Chief Scientist at the Quantum Metrology Lab, RIKEN. Recently, Katori's group performed a measurement of

gravitational redshift In physics and general relativity, gravitational redshift (known as Einstein shift in older literature) is the phenomenon that electromagnetic waves or photons travelling out of a gravitational well (seem to) lose energy. This loss of energy ...

with two transportable strontium optical lattice clocks over nearly the entire height of the

Tokyo Skytree is a broadcasting and observation tower in Sumida, Tokyo. It became the tallest structure in Japan in 2010general relativity General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics ...

Recognition

*2005 – Award of Japan Society for the Promotion of Science *2005 – Springer Nature Applied Physics Award *2006 – Japan IBM Science Prize *2008 – I. I. Rabi Award *2010 – Ichimura Academic Award *2011 – Award of Minister of MEXT *2011 – Philipp Franz von Siebold-Preis, Germany *2012 –

Asahi Prize The , established in 1929, is an award presented by the Japanese newspaper ''Asahi Shimbun'' and Asahi Shimbun Foundation to honor individuals and groups that have made outstanding accomplishments in the fields of arts and academics and have greatl ...

*2013 –

Nishina Memorial Prize The is the oldest and most prestigious physics award in Japan. Information Since 1955, the Nishina Memorial Prize has been awarded annually by the Nishina Memorial Foundation. The Foundation was established to commemorate Yoshio Nishina, who w ...

*2013 – Fujiwara Prize *2013 –

Toray is a multinational corporation headquartered in Japan that specializes in industrial products centered on technologies in organic synthetic chemistry, polymer chemistry, and biochemistry. Its founding business areas were fibers and textiles, ...

Award in Science and Technology *2014 –

Medal with Purple Ribbon are medals awarded by the Government of Japan. They are awarded to individuals who have done meritorious deeds and also to those who have achieved excellence in their field of work. The Medals of Honor were established on December 7, 1881, and we ...

*2015 –

Japan Academy Prize (academics) The is a prize awarded by the Japan Academy in recognition of academic theses, books, and achievements. Overviews An award ceremony has been held every year since 1911. Up to nine of these Prizes are awarded every year. There have been 676 w ...

*2017 – Leo Esaki Prize *2022 –

Breakthrough Prize in Fundamental Physics The Breakthrough Prize in Fundamental Physics is one of the Breakthrough Prizes, awarded by the Breakthrough Prize Board. Initially named Fundamental Physics Prize, it was founded in July 2012 by Russia-born Israeli entrepreneur, venture cap ...

Selected publications

* * * * * * * *

References

External links

* * {{DEFAULTSORT:Katori, Hidetoshi Japanese physicists University of Tokyo alumni Academic staff of the University of Tokyo Recipients of the Medal with Purple Ribbon 1964 births Living people