Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Komori, Kentaro"'
Publikováno v:
Phys. Rev. D 109, 022003 (2024)
The back-linked Fabry-Perot interferometer (BLFPI) is an interferometer topology proposed for space gravitational wave antennas with the use of inter-satellite Fabry-Perot interferometers. The BLFPI offers simultaneous and independent control over al
Externí odkaz:
http://arxiv.org/abs/2404.01764
The torsion pendulum is a prevailing instrument for measuring small forces acting on a solid body or those between solid bodies. While it offers powerful advantages, the measurement precision suffers from thermal noises of the suspending wires giving
Externí odkaz:
http://arxiv.org/abs/2404.00250
Autor:
Otabe, Sotatsu, Usukura, Wataru, Suzuki, Kaido, Komori, Kentaro, Michimura, Yuta, Harada, Ken-ichi, Somiya, Kentaro
Publikováno v:
Phys. Rev. Lett. 132, 143602 (2024)
We propose and experimentally demonstrate the generation of enhanced optical springs using the optical Kerr effect. A nonlinear optical crystal is inserted into a Fabry-Perot cavity with a movable mirror, and a chain of second-order nonlinear optical
Externí odkaz:
http://arxiv.org/abs/2310.18828
Autor:
Tsuji, Kenji, Ishikawa, Tomohiro, Komori, Kentaro, Nagano, Koji, Enomoto, Yutaro, Michimura, Yuta, Umemura, Kurumi, Shimizu, Ryuma, Wu, Bin, Iwaguchi, Shoki, Kawasaki, Yuki, Furusawa, Akira, Kawamura, Seiji
Quantum locking using optical spring and homodyne detection has been devised to reduce quantum noise that limits the sensitivity of DECIGO, a space-based gravitational wave antenna in the frequency band around 0.1 Hz for detection of primordial gravi
Externí odkaz:
http://arxiv.org/abs/2310.15522
Autor:
Ishikawa, Tomohiro, Kawasaki, Yuki, Tsuji, Kenji, Yamada, Rika, Watanabe, Izumi, Wu, Bin, Iwaguchi, Shoki, Shimizu, Ryuma, Umemura, Kurumi, Nagano, Koji, Enomoto, Yutaro, Komori, Kentaro, Michimura, Yuta, Furusawa, Akira, Kawamura, Seiji
DECi-hertz Interferometer Gravitational Wave Observatory (DECIGO) is a future mission for a space-borne laser interferometer. DECIGO has 1,000-km-long arm cavities mainly to detect the primordial gravitational waves (PGW) at lower frequencies around
Externí odkaz:
http://arxiv.org/abs/2211.12683
Autor:
Otabe, Sotatsu, Komori, Kentaro, Harada, Ken-ichi, Suzuki, Kaido, Michimura, Yuta, Somiya, Kentaro
Publikováno v:
Opt. Express 30, 42579-42593 (2022)
Intracavity squeezing is a promising technique that may improve the sensitivity of gravitational wave detectors and cool optomechanical oscillators to the ground state. However, the photothermal effect may modify the occurrence of optomechanical coup
Externí odkaz:
http://arxiv.org/abs/2211.02373
Publikováno v:
Phys. Rev. A 105, 043520 (2022)
Conventional techniques for laser cooling, by coherent scattering off of internal states or through an optical cavity mode, have so far proved inefficient on mechanical oscillators heavier than a few nanograms. That is because larger oscillators vibr
Externí odkaz:
http://arxiv.org/abs/2111.02412
Optomechanical systems have been attracting intensive attention in various physical experiments. With an optomechanical system, the displacement of or the force acting on a mechanical oscillator can be precisely measured by utilizing optical interfer
Externí odkaz:
http://arxiv.org/abs/2110.13507
Autor:
Komori, Kentaro, Kawasaki, Takuya, Otabe, Sotatsu, Enomoto, Yutaro, Michimura, Yuta, Ando, Masaki
Publikováno v:
Phys. Rev. A 104, 031501 (2021)
The measurement of weak continuous forces exerted on a mechanical oscillator is a fundamental problem in various physical experiments. It is fundamentally impeded by quantum back-action from the meter used to sense the displacement of the oscillator.
Externí odkaz:
http://arxiv.org/abs/2105.10510
Autor:
Iwaguchi, Shoki., Ishikawa, Tomohiro., Ando, Masaki., Michimura, Yuta., Komori, Kentaro., Nagano, Koji., Akutsu, Tomotada., Musha, Mitsuru., Yamada, Rika., Watanabe, Izumi., Naito, Takeo., Morimoto, Taigen., Kawamura, Seiji.
The DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is designed to detect gravitational waves at frequencies between 0.1 and 10 Hz. In this frequency band, one of the most important science targets is the detection of primordial gra
Externí odkaz:
http://arxiv.org/abs/2012.12530