Title :
M-ary phase shift keying receiver beating the standard quantum limit for any signal power
Author :
Muller, Christian R. ; Leven, Andreas ; Bulow, Henning ; Schmalen, Laurent ; Leuchs, Gerd ; Marquardt, Christoph
Author_Institution :
Max Planck Inst. for the Sci. of Light, Erlangen, Germany
Abstract :
We analyze a novel quantum receiver for M-ary phase-shift keyed signals that outperforms the standard quantum limit for any signal power. We provide a detailed analysis of its robustness against realistic imperfections and discuss the achievable mutual information.
Keywords :
optical modulation; optical receivers; phase shift keying; quantum communication; M-ary phase shift keying receiver; M-ary phase-shift keyed signals; quantum receiver; signal power; standard quantum limit; Detectors; Error probability; Mutual information; Phase shift keying; Photonics; Receivers; Standards;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964182
