Beat note stabilization of mode-locked lasers for quantum information processing

Authors :: Islam, R.
Campbell, W. C.
Choi, T.
Clark, S. M.
Debnath, S.
Edwards, E. E.
Fields, B.
Hayes, D.
Hucul, D.
Inlek, I. V.
Johnson, K. G.
Korenblit, S.
Lee, A.
Lee, K. W.
Manning, T. A.
Matsukevich, D. N.
Mizrahi, J.
Quraishi, Q.
Senko, C.
Smith, J.
Monroe, C.
Source :: Optics Letters, 39(11), 2014
Publication Year :: 2013
Abstract: We stabilize a chosen radiofrequency beat note between two optical fields derived from the same mode-locked laser pulse train, in order to coherently manipulate quantum information. This scheme does not require access or active stabilization of the laser repetition rate. We implement and characterize this external lock, in the context of two-photon stimulated Raman transitions between the hyperfine ground states of trapped 171-Yb+ quantum bits.

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