Chirped-pulse multiple wavelength telecommunications system

Details Chirped-pulse multiple wavelength telecommunications system Chirped-pulse multiple wavelength telecommunications system

1995-10-26

1997-05-20

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, 359181, 372 18, H04J 1402

Patent

active

056317581

ABSTRACT:
An apparatus and method provides optical multiple wavelength signals using a single optical broadband source to generate many independent optical wavelength channels. An optical transmitter includes a pulse chirping device which separates the frequency components of periodic optical pulses in the time domain forming separate wavelength channels which are separately modulated by a high-speed broadband optical modulator. A receiver includes a passive splitter to separate the individual wavelength channels. The chirped-pulse transmitter can then be conveniently adjusted to provide optimum overlap of wavelength channels with the modulating channel spectra.

REFERENCES:
patent: 4300161 (1981-11-01), Haskell
patent: 4928316 (1990-05-01), Heritage et al.
patent: 5105294 (1992-04-01), Degura et al.
patent: 5450427 (1995-09-01), Fermann et al.
patent: 5477375 (1995-12-01), Korotky et al.

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