Ponderomotive squeezing of the output light of an optical cavity has been recently observed in the MHz range in two different cavity optomechanical devices. Quadrature squeezing becomes particularly useful at lower spectral frequencies, for example in gravitational wave interferometers, despite being more sensitive to excess phase and frequency noise. Here we show a phase/frequency noise cancellation mechanism due to destructive interference which can facilitate the production of ponderomotive squeezing in the kHz range and we demonstrate it experimentally in an optomechanical system formed by a Fabry-P\'{e}rot cavity with a micro-mechanical mirror.
@article{arxiv.1308.5176,
title = {Frequency noise cancellation in optomechanical systems for ponderomotive squeezing},
author = {A. Pontin and C. Biancofiore and E. Serra and A. Borrielli and F. S. Cataliotti and F. Marino and G. A. Prodi and M. Bonaldi and F. Marin and D. Vitali},
journal= {arXiv preprint arXiv:1308.5176},
year = {2014}
}