Improvement of the Target Sensitivity in DECIGO by Optimizing Its Parameters for Quantum Noise Including the Effect of Diffraction Loss

Autor: Tomohiro Ishikawa, Shoki Iwaguchi, Yuta Michimura, Masaki Ando, Rika Yamada, Izumi Watanabe, Koji Nagano, Tomotada Akutsu, Kentaro Komori, Mitsuru Musha, Takeo Naito, Taigen Morimoto, Seiji Kawamura

Publikováno v: Galaxies, Vol 9, Iss 1, p 14 (2021)

The DECi-hertz Interferometer Gravitational-wave Observatory (DECIGO) is the future Japanese, outer space gravitational wave detector. We previously set the default design parameters to provide a good target sensitivity to detect the primordial gravi

Externí odkaz: https://doaj.org/article/db45705f87b14b2cb097fa721f63bab1

Neutron displacement noise-free interferometer for gravitational-wave detection

Autor: Atsushi Nishizawa, Shoki Iwaguchi, Yanbei Chen, Taigen Morimoto, Tomohiro Ishikawa, Bin Wu, Izumi Watanabe, Yuki Kawasaki, Ryuma Shimizu, Hirohiko Shimizu, Masaaki Kitaguchi, Yuta Michimura, Seiji Kawamura

An interferometer design that cancels all displacement noises of its test masses and maintains a gravitational-wave (GW) signal by combining multiple detector signals is called a displacement noise-free interferometer (DFI). The idea has been conside

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95377487970234027bb33c5f55c21af5
https://resolver.caltech.edu/CaltechAUTHORS:20220715-332606000

Current status of space gravitational wave antenna DECIGO and B-DECIGO

Autor: Ken-ichi Oohara, Takahiro Ito, Shuichiro Yokoyama, Kiyotomo Ichiki, Akito Araya, Shoki Iwaguchi, Tomohiro Harada, Seiji Kawamura, Masaru Shibata, Hirotaka Takahashi, Keisuke Taniguchi, Chul-Moon Yoo, Shinji Tsujikawa, Kazunori Kohri, Fumiko Kawazoe, Yoshiaki Himemoto, Shin-ichiro Sakai, Ayaka Shoda, Zong Hong Zhu, Keiichi Maeda, Motohiro Enoki, Taigen Morimoto, Shinichi Nakasuka, Hisa-aki Shinkai, Shuhei Matsushita, Hiroyuki Nakano, Yoshinori Nakayama, Motoyuki Saijo, Masa-aki Sakagami, Takamori Akiteru, Ryutaro Takahashi, Takeo Naito, Kazuhiro Hayama, Rika Yamada, Shinya Kanemura, Kazuhiro Agatsuma, Takashi Hiramatsu, S. Eguchi, Shuichi Sato, Kunihito Ioka, Feng-Lei Hong, Hideki Ishihara, Takeshi Chiba, Akitoshi Ueda, Kei Kotake, Tomotada Akutsu, Hideki Asada, Mitsuru Musha, Takashi Nakamura, Yuta Michimura, Shiho Kobayashi, Ken-ichi Nakao, K. Tsubono, Keiko Kokeyama, Kentaro Somiya, Toshifumi Futamase, Masa Katsu Fujimoto, Masashi Ohkawa, Masaki Ando, Naoki Seto, Shigeo Nagano, Mizuhiko Hosokawa, K. Izumi, Ken-ichi Ueda, Tomohiro Ishikawa, Takahiro Tanaka, Norichika Sago, Takeshi Takashima, Naoki Aritomi, Shinji Mukohyama, Satoshi Ikari, Yousuke Itoh, Atsushi Nishizawa, Atsushi Taruya, Isao Kawano, Ryuichi Fujita, Kent Yagi, Koji Nagano, Nobuyuki Kanda, Kouji Nakamura, Sachiko Kuroyanagi, Yasufumi Kojima, Hajime Sotani, Kazuhiro Nakazawa, Takashi Sato, Jun'ichi Yokoyama, Izumi Watanabe

Publikováno v: Progress of Theoretical and Experimental Physics

Deci-hertz Interferometer Gravitational Wave Observatory (DECIGO) is the future Japanese space mission with a frequency band of 0.1 Hz to 10 Hz. DECIGO aims at the detection of primordial gravitational waves, which could be produced during the inflat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f96d2edaa2810e1cbd9086b3c227c5f3

Reduction of quantum noise using the quantum locking with an optical spring for gravitational wave detectors

Autor: Tomohiro Ishikawa, Masaki Ando, Yuta Michimura, Rika Yamada, Seiji Kawamura, Koji Nagano, Kentaro Komori, Takeo Naito, Atsushi Nishizawa, Shoki Iwaguchi, Akira Furusawa, Yutaro Enomoto, Izumi Watanabe, Taigen Morimoto

In our previous research, simulation showed that a quantum locking scheme with homodyne detection in sub-cavities is effective in surpassing the quantum noise limit for Deci-hertz Interferometer Gravitational Wave Observatory (DECIGO) in a limited fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20f6480120306f9365e10590ead80203
http://arxiv.org/abs/2012.11074

Quantum noise in a Fabry-Perot interferometer including the influence of diffraction loss of light

Autor: Seiji Kawamura, Kentaro Komori, Takeo Naito, Rika Yamada, Shoki Iwaguchi, Tomohiro Ishikawa, Masaki Ando, Yuta Michimura, Taigen Morimoto, Mitsuru Musha, Izumi Watanabe, Tomotada Akutsu, Koji Nagano

Publikováno v: Galaxies
Volume 9
Issue 1
Galaxies, Vol 9, Iss 9, p 9 (2021)

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: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b913fa6e0af6c70077b9d4960e00ad41