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quant-ph2003★ 119 cited
Homodyne tomography characterization and nonlocality of a dual-mode optical qubit
S. A. Babichev, J. Appel, A. I. Lvovsky
A single photon, delocalized over two optical modes, is characterized by means of quantum homodyne tomography. The reconstructed four-dimensional density matrix extends over the en…
quant-ph2003★ 307 cited
Iterative maximum-likelihood reconstruction in quantum homodyne tomography
A. I. Lvovsky
I propose an iterative expectation maximization algorithm for reconstructing a quantum optical ensemble from a set of balanced homodyne measurements performed on an optical state.…
quant-ph2003★ 102 cited
Experimental Vacuum Squeezing in Rubidium Vapor via Self-Rotation
J. Ries, B. Brezger, A. I. Lvovsky
We report the generation of optical squeezed vacuum states by means of polarization self-rotation in rubidium vapor following a proposal by Matsko et al. [Phys. Rev. A 66, 043815 (…