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|Title:||Real-time deterministic generation of maximally entangled two-qubit and three-qubit states via bang-bang control|
|Citation:||Vu, T.L., Ge, S.S., Hang, C.C. (2012-01-30). Real-time deterministic generation of maximally entangled two-qubit and three-qubit states via bang-bang control. Physical Review A - Atomic, Molecular, and Optical Physics 85 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.85.012332|
|Abstract:||We exploit the notion of SWM- (simultaneous-weak-measurements)-induced quantum state reduction, enabling the use of measurement backaction to produce the desired quantum states. The probabilistic generation of maximally entangled Bell states and the |GHZ (Greenberger-Horne-Zeilinger) state are then performed as a consequence of this notion. By combining SWM-induced quantum state reduction with feedback control, we are able to deterministically generate any desired Bell state as well as the |GHZ state, without the knowledge of the initial state. The control-computation time is compensated for by the delay time in the time-delay bang-bang control, through which the real-time implementation of the control scheme is guaranteed. The effectiveness of the proposed scheme is illustrated numerically. © 2012 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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