Quantum optical feedback is emerging as a powerful tool in quantum physics and quantum information. I present new results from the first (2002) "deep quantum" feedback experiment, and a new theoretical analysis showing how entanglement is essential in it. I also present applications of quantum feedback to optical quantum computing.
© 2004 Optical Society of America
H. Wiseman, H. Wiseman, J. Gambetta, J. E. Reiner, W. P. Smith, L. A. Orozco, and T. C. Ralph, "Quantum feedback: Controlling entangled states in cavity QED and optical quantum computing," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FWE2.
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