Martina Esposito, Daniele Fausti, Stefano Olivares, Fabio Benatti, Roberto Floreanini, Fabio Novelli, Federico Cilento, Francesco Randi, Fulvio Parmigiani
Here we report on the design, construction and characterization of a time domain Balanced Homodyne Detection apparatus operating in the regime of high electronic noise. The experimental setup has been commissioned by studying coherent ultrashort ($\sim 80$ fs) light pulses using Pattern-function Quantum Tomography. Furthermore, we proved that the electronic noise can be treated as a detector inefficiency showing the effectiveness of this approach by measuring light coherent states with different energies.
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http://arxiv.org/abs/1301.2471
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