Georgi Gary Rozenman

While quantum key distribution (QKD) shows much potential as a solution to the looming threat that quantum computers place on today’s encryption protocols, efficient and robust systems that operate in free space are still limited.

1. Introduction Today, ensuring the privacy of communication is more critical than ever, driving the need for secure message transmission methods [1]. Quantum key distribution (QKD) has become a leading approach for achieving secure communication, exploiting quantum mechanical properties to protect information from potential eavesdroppers [2,3,4].

Abstract We study theoretically and observe experimentally the evolution of periodic wave trains by utilizing surface gravity water wave packets. Our experimental system enables us to observe both the amplitude and the phase of these wave packets. For low steepness waves, the propagation dynamics is in the linear regime, and these waves unfold a Talbot carpet.