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Communication through the combination of quantum switch and coherent superposition of channels
Arghyabindu Patra, Abdul Q Batin, Prasanta K. Panigrahi·October 18, 2025
Quantum Physics
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Abstract
The quantization of particle trajectories gives rise to remarkable features such as the coherent superposition of quantum channels and the quantum switch, which offer significant advantages in the communication of both classical and quantum information. In this study, we investigate the classical and quantum capacities of various supermaps, including individual quantum switches, coherent superpositions of channels, their combinations, and hybrid superpositions. A comparative analysis of these configurations reveals the scenarios in which specific combinations yield enhanced communication advantages.