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Passive state preparation for quantum key distribution with phase encoding
Published 29 Jul 2025 in quant-ph | (2507.21659v1)
Abstract: We propose here a method of passive state preparation for quantum key distribution with phase encoding based on the measurement of the phase difference between pulses of a gain-switched laser. The features of the optical scheme of the transmitter are discussed and the results of computer simulation are presented to demonstrate the effectiveness of the proposed method.
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