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Published August 1, 2004 | public
Journal Article Open

Deterministic Dicke-state preparation with continuous measurement and control


We characterize the long-time projective behavior of the stochastic master equation describing a continuous, collective spin measurement of an atomic ensemble both analytically and numerically. By adding state-based feedback, we show that it is possible to prepare highly entangled Dicke states deterministically.

Additional Information

©2004 The American Physical Society. (Received 19 February 2004; published 26 August 2004) This work was supported by the NSF (Grant Nos. PHY-9987541 and EIA-0086038), the ONR (Grant No. N00014-00-1-0479), the ARO (Grant No. DAAD19-03-1-0073), and the Caltech MURI Center for Quantum Networks (Grant No. DAAD19-00-1-0374). J.K.S acknowledges support from the Hertz Foundation. We thank Andrew Doherty, J.M. Geremia, and Paige Randall for useful discussions. Additional information is available at http://minty.caltech.edu/Ensemble.


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