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Demonstration of optical spring in an un-detuned cavity containing an optical parametric amplifier
Jian Liu, Juntao Pan, Carl Blair +4
Here we demonstrate the capacity to manipulate the optical spring (OS) effect by employing an optical parametric amplifier (OPA) within an optical cavity. We observed more than a f…
Single and coupled cavity mode sensing schemes using a diagnostic field
Aaron W. Goodwin-Jones, Haochen Zhu, Carl Blair +4
Precise optical mode matching is of critical importance in experiments using squeezed-vacuum states. Automatic spatial-mode matching schemes have the potential to reduce losses and…
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…