A novel Sub-Carrier based Optical Phase Locked Loop (SC-OPLL) is presented and demonstrated. Our method, based on CW laser and optical sub-carrier modulation, allows a much easier practical implementation of coherent detection than previous setups.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
V. Ferrero, S. Camatel, R. Gaudino, and P. Poggiolini, "A novel Optical Phase Locked Loop architecture based on Sub-Carrier modulation," in Optical Fiber Communication Conference, Technical Digest (CD) (Optical Society of America, 2004), paper FN6.