A diode laser stabilization scheme for 40Ca+ single ion spectroscopy

Details A diode laser stabilization scheme for 40Ca+ single ion spectroscopy A diode laser stabilization scheme for 40Ca+ single ion spectroscopy

2009-10-06

arxiv.org/abs/0910.1052v1

Physics

Quantum Physics

8 pages, 11 figures

Scientific paper

We present a scheme for stabilizing multiple lasers at wavelengths between 795 and 866 nm to the same atomic reference line. A reference laser at 852 nm is stabilized to the Cs D2 line using a Doppler-free frequency modulation technique. Through transfer cavities, four lasers are stabilized to the relevant atomic transitions in 40Ca+. The rms linewidth of a transfer-locked laser is measured to be 123 kHz with respect to an independent atomic reference, the Rb D1 line. This stability is confirmed by the comparison of an excitation spectrum of a single 40Ca+ ion to an eight-level Bloch equation model. The measured Allan variance of 10^(-22) at 10 s demonstrates a high degree of stability for time scales up to 100 s.

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