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Passive polarization and phase stabilization scheme for Twin-Field QKD
Christiano M. S. Nascimento, Felipe Calliari, Guilherme P. Temporão
Twin-Field Quantum Key Distribution requires first-order interference between coherent states sent by Alice and Bob in a mid-station Charlie. In order to obtain stable operation an…
Perturbative nonlinear feedback forces for optical levitation experiments
Oscar Kremer, Daniel Tandeitnik, Rafael Mufato +6
Feedback control can be used to generate well-determined nonlinear effective potentials in an optical trap, a goal whose applications may range from non-equilibrium thermodynamics…
Fast Polarization Switch for Polarization-Based Quantum Communication
Vinicius M. Lima, Felipe Calliari, Joaquim D. Garcia +4
We present a complete optoelectronic unit for polarization visualization, switching and control. The system is based on an FPGA unit and comprises: an acquisition unit containing a…