We aim to create a new field of gravitational wave astronomy by directly detecting gravitational waves from the space.

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Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors
Frequency-Dependent Squeezed Vacuum Source for Broadband Quantum Noise Reduction in Advanced Gravitational-Wave Detectors
First Observation of Gravitational Waves from the Merger of two Neutron Stars
First Observation of Gravitational Waves from the Merger of two Neutron Stars
The Special Breakthrough Prize for Fundamental physics awarded for the Detection of Gravitational Waves.
The Special Breakthrough Prize for Fundamental physics awarded for the Detection of Gravitational Waves.

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Tunnel of wonders
UTokyo's KAGRA gravitational-wave observatory gears up for experiments that could offer new insights on the universe

Takayuki Tomaru was appointed as the professor and the director of the GWPO

KAGRA is introduced in NAOJ Topics vol.2 (video).

Dr. Yoshihide Kozai, former Director General of the National Astronomical Observatory of Japan (NAOJ), passed away on February 5.

Gravitational waves detection awarded the 2017 Nobel Prize in Physics

First simultaneous observation of the merger of two black holes by the two LIGO detectors and by the Virgo detector: triangulation is now possible.
KAGRA Project
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