This Horizon Study describes a next-generation ground-based gravitational-wave
observatory: Cosmic Explorer. With ten times the sensitivity of Advanced LIGO, Cosmic …

The detection of gravitational waves from compact binary mergers by LIGO has opened the
era of gravitational wave astronomy, revealing a previously hidden side of the cosmos. To …

Optical whispering gallery mode (WGM) resonators allow combination of small mode
volume with high Q-factor. Silicon is a major material for modern microelectronics and …

Gravitational wave detectors rely on ultra-high precision interferometry to detect dynamic
strains arising from fluctuations in space-time from cataclysmic astrophysical events. The …

We demonstrated an ultra-low-noise polarization-maintaining (PM) single-frequency fiber
laser at 2 µm. Both relative intensity noise (RIN) and frequency noise were improved by …

Mechanical loss of dielectric mirror coatings sets fundamental limits for both gravitational
wave detectors and cavity-stabilized optical local oscillators for atomic clocks. Two …

We investigated the frequency noise coupling mechanism of a 2 μm polarization-
maintaining single frequency fiber laser (SFFL) theoretically and experimentally. The …

We propose a novel experimental method for probing light dark matter candidates. We show
that an electro-optical material's refractive index is modified in the presence of a coherently …

As part of the research on thermal noise reduction in gravitational-wave detectors, we
experimentally demonstrate the conversion of a fundamental TEM 00 laser mode at 1064 …

We explore the vibration isolation requirements imposed by Newtonian noise on the
cryogenic shielding for next-generation gravitational-wave observatories relying on radiative …