Title :
Capacity of the pure-state quantum channel
Author :
Helstrom, Carl W.
Author_Institution :
University of California, La Jolla, Calif.
Abstract :
A quantum communication channel carrying orthogonal coherent signals of known phase, received in the absence of background noise, is shown to have infinite capacity.
Keywords :
Background noise; Communication channels; Error probability; Frequency; Gaussian channels; Optical modulation; Optical noise; Optical receivers; Optical transmitters; Quantum mechanics;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1974.9398
