High capacity chirped-pulse wavelength-division multiplexed comm

Details High capacity chirped-pulse wavelength-division multiplexed comm High capacity chirped-pulse wavelength-division multiplexed comm

1998-02-20

2000-10-31

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359133, 359134, 359140, 359161, 359122, 25022712, H04J 1402

Patent

active

061411272

ABSTRACT:
A high-capacity, chirped-pulse wavelength-division multiplexed communications apparatus and method in which a chirped-pulse, wavelength-division multiplexed signal is further optically multiplexed thereby enhancing bit rates per channel. A multifrequency optical source for supplying an optical signal having a number of wavelength division multiplexed (WDM) channels; a power splitter for splitting the optical signal from the multifrequency source into a number of signals; a number of time delay lines, for delaying each one of the signals independently; a number of data encoding modulators for modulating each one of the delayed signals; and a power combiner for combining the number of delayed, modulated signals into a single signal such that the multifrequency optical source signal is multiplexed by a desired amount.

REFERENCES:
patent: 5631758 (1997-05-01), Knox et al.
patent: 5703708 (1997-12-01), Das et al.
206-channel Chirped-Pulse Wavelength-Division Multiplexed Transmitter; L. Boivin, M. C. Nuss, W. H. Knox and J. B. Stark; Electronics Letters, vol. 33, No. 10, pp. 827-228, Apr. 8, 1997.

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