Optical transmitting apparatus for minimal dispersion along an o

Details Optical transmitting apparatus for minimal dispersion along an o Optical transmitting apparatus for minimal dispersion along an o

1990-11-30

1993-02-02

Coles, Sr., Edward L.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359154, H04B 1004

Patent

active

051842432

ABSTRACT:
A plurality of transmitting signal lights are supplied from a semiconductor laser light source which is modulated by a current having adjusted amplitude and phase injected thereinto in an optical transmitting apparatus. The signal lights are modulated in intensity by a plurality of external modulators, and a time-difference is applied among the signal lights. Thus, the signal lights are combined to provide a transmitting signal light which is propagated through a transmission line. At this time, a frequency component having a low transmission speed is supplied to the transmission line earlier than a frequency component having a fast transmission speed in compliance with a wavelength dispersion property of the transmission line.

REFERENCES:
patent: 4933929 (1990-06-01), Tajima

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