Cueing System for Universal Optical Receiver

Reference#: P03266

The universal receiver developed by JHU/APL is a system for identifying the optical modulation format, optical data rate, and important signal impairments of a received optical data signal, using only the physical characteristics of the signal.

The system uses optical coherent detection to fully determine the electric field amplitude and phase over a set of time samples of the received signal, and uses digital signal processing techniques and algorithms developed by JHU/APL to determine the signal characteristics and to identify the modulation format from among a wide variety of data encoding and auxiliary modulation schemes. The format information thus deduced can be used to configure a universal optical receiver for optimal demodulation of the incoming signal according to its format and characteristics.

In addition to enabling a format-independent universal receiver, the technology enables new optical networking capabilities, including ad hoc link optimization and cognitive networking architectures analogous to those developed for software-defined radio systems.

Dr. G. R. Jacobovitz
Phone: (443) 778-9899

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