A theoretical analysis of two simple implementations for optical receivers that achieve near-quantum optimum performance for phase-quadrature coherent-state signaling is carried out. For a large received average photon count per symbol, Ns, the error probability is proportional to exp(−2Ns) as opposed to the conventional heterodyne performance of exp(−Ns/2).
© 1993 Optical Society of America
Original Manuscript: July 15, 1993
Published: November 15, 1993
Roy S. Bondurant, "Near-quantum optimum receivers for the phase-quadrature coherent-state channel," Opt. Lett. 18, 1896-1898 (1993)