Method and system for managing optical subcarrier reception

Details Method and system for managing optical subcarrier reception Method and system for managing optical subcarrier reception

1997-09-30

1999-11-30

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359181, 359124, H04J 1402

Patent

active

059952563

ABSTRACT:
A method and apparatus are provided for high signal-to-noise ratio (SNR) optical subcarrier management and reception in a communication network. In a multiple-wavelength optical communications link, ancillary signals that are conveyed by low-level intensity-modulated subcarriers are received with increased sensitivity in the subcarrier channel of the network. An increased SNR is accomplished by passing the same ancillary signal along all the carriers and by combining the received signals at a summing amplifier in the electrical domain.

REFERENCES:
patent: 5726783 (1998-03-01), Cooper et al.
patent: 5739934 (1998-04-01), Nomura et al.

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