activity
20202022
most citedImprovement of the target sensitivity in DECIGO by optimizing its parameters for quantum noise including the effect of diffraction loss

23 citations · 72 across the 10 of their papers we have counts for

collaborators

11 papers

gr-qc2022★ 6 cited

First-step experiment in developing optical-spring quantum locking for DECIGO: sensitivity optimization for simulated quantum noise by completing the square

Tomohiro Ishikawa, Yuki Kawasaki, Kenji Tsuji +12

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…

gr-qc2022★ 1 cited

Can the phase of radiation pressure fluctuations be flipped in a single path for laser interferometric gravitational wave detectors?

Tomohiro Ishikawa, Shoki Iwaguchi, Bin Wu +7

Radiation pressure (RP) noise, one component of quantum noise, can limit the sensitivity of laser interferometric gravitational wave (GW) detectors at lower frequencies. We conceiv…

gr-qc2022★ 3 cited

Conceptual design and science cases of a juggled interferometer for gravitational wave detection

Bin Wu, Tomohiro Ishikawa, Shoki Iwaguchi +6

The Juggled interferometer (JIFO) is an earth-based gravitational wave detector using repeatedly free-falling test masses. With no worries of seismic noise and suspension thermal n…

gr-qc2022★ 6 cited

Displacement-noise-free neutron interferometer for gravitational wave detection using a single Mach-Zehnder configuration

Shoki Iwaguchi, Atsushi Nishizawa, Yanbei Chen +10

The improvement of sensitivity to gravitational waves (GWs) at lower frequencies is still challenging on account of displacement noise. One of the solutions is the neutron displace…

gr-qc2022

Optimization of Design Parameters for Gravitational Wave Detector DECIGO Including Fundamental Noises

Yuki Kawasaki, Ryuma Shimizu, Tomohiro Ishikawa +6

The DECi hertz Interferometer Gravitational-Wave Observatory (DECIGO) is a space gravitational wave (GW) detector. DECIGO was originally designed to be sensitive enough to observe…

gr-qc2021★ 5 cited

Neutron displacement noise-free interferometer for gravitational-wave detection

Atsushi Nishizawa, Shoki Iwaguchi, Yanbei Chen +10

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 d…

gr-qc2020★ 10 cited

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

Rika Yamada, Yutaro Enomoto, Izumi Watanabe +11

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…

gr-qc2020★ 2 cited

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

Shoki. Iwaguchi, Tomohiro. Ishikawa, Masaki. Ando +10

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…

gr-qc2020★ 23 cited

Improvement of the target sensitivity in DECIGO by optimizing its parameters for quantum noise including the effect of diffraction loss

Tomohiro Ishikawa, Shoki Iwaguchi, Yuta Michimura +10

DECIGO is the future Japanese gravitational wave detector in outer space. We previously set the default design parameters to provide a good target sensitivity to detect the primord…

gr-qc2020

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

Seiji Kawamura, Masaki Ando, Naoki Seto +84

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 pri…

gr-qc2020★ 16 cited

Optimization of quantum noise by completing the square of multiple interferometer outputs in quantum locking for gravitational wave detectors

Rika Yamada, Yutaro Enomoto, Atsushi Nishizawa +11

The quantum locking technique, which uses additional short low-loss sub-cavities, is effective in reducing quantum noise in space gravitational wave antenna DECIGO. However, the qu…