activity
20222024
most citedFirst-step experiment in developing optical-spring quantum locking for DECIGO: sensitivity optimization for simulated quantum noise by completing the square

6 citations · 18 across the 9 of their papers we have counts for

collaborators

9 papers

gr-qc2024

Significance of Fabry-Perot cavities for space gravitational wave antenna DECIGO

Kenji Tsuji, Tomohiro Ishikawa, Kurumi Umemura +5

The future Japanese project for the detection of gravitational waves in space is planned as DECIGO. To achieve various scientific missions, including the verification of cosmic inf…

gr-qc2023

Sagnac-type neutron displacement-noise-free interferometeric gravitational-wave detector

Yuki Kawasaki, Shoki Iwaguchi, Tomohiro Ishikawa +13

The detection of low-frequency gravitational waves on Earth requires the reduction of displacement noise, which dominates the low-frequency band. One method to cancel test mass dis…

gr-qc2023

Optimization of quantum noise in space gravitational-wave antenna DECIGO with optical-spring quantum locking considering mixture of vacuum fluctuations in homodyne detection

Kenji Tsuji, Tomohiro Ishikawa, Kentaro Komori +10

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…

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★ 2 cited

Displacement-noise-free interferometeric gravitational-wave detector using unidirectional neutrons with four speeds

Shoki Iwaguchi, Atsushi Nishizawa, Yanbei Chen +11

For further gravitational wave (GW) detections, it is significant to invent a technique to reduce all kinds of mirror displacement noise dominant at low frequencies for ground-base…

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…