[QIP-Sem] QIP seminar, Tue 10/5, 4:00, 34-401A, Marco Bellini

[Peter Shor]

MIT Quantum Information Processing seminar
Tuesday 10/5 at 4:00 in 34-401A
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Marco Bellini (Istituto Nazionale di Ottica, INO-CNR, Firenze, Italy)

Manipulating the quantum nature of light by single-photon addition and subtraction

Abstract:

I will illustrate some of the recent activities carried out in our laboratory to investigate and control the quantum nature of light. The experimental implementation of some of the most basic quantum operations, like single-photon creation [1,2] and annihilation [3], has allowed us to generate and manipulate light at the most accurate levels. This, together with advanced techniques for the complete characterization of the generated light states, has allowed us to probe fundamental rules of quantum physics (like the commutation relations [4-6]), and develop novel tools (like noiseless linear amplification [7]) for quantum information processing and future quantum technologies. References: [1] A. Zavatta, S. Viciani, and M. Bellini, Science 306, 660 (2004). [2] A. Zavatta, V. Parigi, and M. Bellini, Phys. Rev. A 75, 052106 (2007) [3] A. Zavatta, V. Parigi, M. S. Kim, and M. Bellini, New J. Phys., 10, 123006 (2008) [4] V. Parigi, A. Zavatta, M.S. Kim, and M. Bellini, Science, 31
 7, 1890-1893 (2007) [5] M. S. Kim, H. Jeong, A. Zavatta, V. Parigi, and M. Bellini, Phys. Rev. Lett., 101, 260401 (2008) [6] A. Zavatta, V. Parigi, M.S. Kim, H. Jeong, and M. Bellini, Phys. Rev. Lett., 103, 140406 (2009) [7] A. Zavatta, J. Fiurasek, and M. Bellini, arXiv:1004.3399v1

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