3 papers
hep-ex2026
Quantum noise reduction schemes for KAGRA post-O5 upgrade
Yuhang Zhao, Marc Eisenmann, Michael Page +1
Quantum noise, arising from the quantisation of electromagnetic field, has been a limiting noise source for current gravitational wave (GW) detectors. Squeezed vacuum modifies quan…
astro-ph.IM2026
Thermal Deformation Reduction in High-Power Interferometry with Higher-Order Laser Modes
Liu Tao, Yuhang Zhao, Zong-Hong Zhu +1
Test-mass thermal noise is a limiting noise source for current and next-generation ground-based gravitational-wave observatories. Uniform-intensity higher-order laser beams, includ…
astro-ph.IM2026
Simultaneous Misalignment and Mode Mismatch Sensing in Optical Cavities Using Intensity-Only Measurements
Liu Tao, Eleonora Capocasa, Yuhang Zhao +3
Precise sensing and control of spatial mode content is essential for the performance of precision optical systems, particularly interferometric gravitational-wave detectors, where…