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True random numbers from amplified quantum vacuum
M. Jofre, M. Curty, F. Steinlechner +4
Random numbers are essential for applications ranging from secure communications to numerical simulation and quantitative finance. Algorithms can rapidly produce pseudo-random outc…
A passive transmitter for quantum key distribution with coherent light
Marcos Curty, Marc Jofre, Valerio Pruneri +1
Signal state preparation in quantum key distribution schemes can be realized using either an active or a passive source. Passive sources might be valuable in some scenarios; for in…
Fast optical source for quantum key distribution based on semiconductor optical amplifiers
M. Jofre, A. Gardelein, G. Anzolin +16
A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source…