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Müller, C. R. ; Peuntinger, P. ; Dirmeier, T. ; Khan, I. ; Vogl, U. ; Leuchs, G. ; Sánchez Soto, Luis Lorenzo ; Teo, Y. S. ; Hradil, Zdenek ; ?ehá?ek, J. | American Physical Society | 2016-08-11The accuracy in determining the quantum state of a system depends on the type of measurement performed. Homodyne and heterodyne detection are the two main schemes in continuous-variable quantum information. The former leads to a direct reconstru[...]texto impreso
Balanced homodyning, heterodyning, and unbalanced homodyning are three well-known sampling techniques used in quantum optics to characterize photonic sources in the continuous-variable regime. We show that for all quantum states and all observab[...]texto impreso
Teo, Y. S. ; Müller, C. R. ; Jeong, H. ; Hradil, Z. ; ?ehá?ek, J. ; Sánchez Soto, Luis Lorenzo | Amer Physical Soc | 2017-04-17We examine the moment-reconstruction performance of both the homodyne and heterodyne (doublehomodyne) measurement schemes for arbitrary quantum states and introduce moment estimators that optimize the respective schemes for any given data. In th[...]
