Multiple frequency modulation for low-light atom measurements in an optical cavity.
We present a frequency modulation scheme to detect atoms dispersively in a high-finesse optical cavity at low-light levels with immunity to cavity length fluctuations. We use multiple cavity resonances to provide common mode noise rejection, keeping the high intensity carrier off-resonant from all cavity modes. The method has applications in atomic squeezed state generation and quantum metrology.
Long
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R
Physics Department, Stanford University, Stanford, California 94305, USA.
Tuchman
A K
AK
Kasevich
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MA