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Gravitational wave detectors with broadband high frequency sensitivity
Michael A. Page, Maxim Goryachev, Haixing Miao +10
The binary neutron star coalescence GW170817 was observed by gravitational wave detectors during the inspiral phase but sensitivity in the 1-5 kHz band was insufficient to observe…
Towards thermal noise free optomechanics
Michael Page, Yiqiu Ma, Chunnong Zhao +6
Thermal noise generally greatly exceeds quantum noise in optomechanical devices unless the mechanical frequency is very high or the thermodynamic temperature is very low. This pape…
Linear negative dispersion with a gain doublet via optomechanical interactions
Jiayi Qin, Chunnong Zhao, Yiqiu Ma +2
Optical cavities containing a negative dispersion medium have been proposed as a means of improving the sensitivity of laser interferometric gravitational wave (GW) detectors throu…
Parametric Instability in Long Optical Cavities and Suppression by Dynamic Transverse Mode Frequency Modulation
Chunnong Zhao, Li Ju, Qi Fang +5
Three mode parametric instability has been predicted in Advanced gravitational wave detectors. Here we present the first observation of this phenomenon in a large scale suspended o…
Observation of the Three-Mode Parametric Instability
X. Chen, C. Zhao, S. Danilishin +14
Three-mode parametric interactions occur in triply-resonant optomechanical systems: photons from an optical pump mode are coherently scattered to a high-order mode by mechanical mo…
Three mode interaction noise in laser interferometer gravitational wave detectors
Li Ju, Chunnong Zhao, Yiqiu Ma +3
Triply resonant three mode interactions in long optical cavities have been shown to lead to enhanced scattering of carrier light by the ultrasonic acoustic modes of the test mass m…