Rapid State-Reduction of Quantum Systems Using Feedback Control

Joshua Combes; Kurt Jacobs; Kurt Jacobs

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
Technical Digest (CD) (Optica Publishing Group, 2006),
paper QMG5

Rapid State-Reduction of Quantum Systems Using Feedback Control

Joshua Combes and Kurt Jacobs

Quantum Electronics and Laser Science Conference 2006

Long Beach, California United States
21–26 May 2006
ISBN: 1-55752-813-6

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Entanglement and Multi-Photon Effects (QMG)

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J. Combes and K. Jacobs, "Rapid State-Reduction of Quantum Systems Using Feedback Control," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optica Publishing Group, 2006), paper QMG5.

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Abstract

We show that feedback control can be used to significantly increase the speed at which a continuous measurement purifies the state of a quantum system, and thus the speed at which pure-state can be prepared.

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