Inline modulator device for an optical transmission system

Details Inline modulator device for an optical transmission system Inline modulator device for an optical transmission system

1996-10-01

1999-01-19

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359158, 359179, H04B 1014, H04B 1016

Patent

active

058619712

ABSTRACT:
An inline modulator device for an optical transmission system, the device comprising: detector means suitable for detecting a portion of the signal transmitted on the line; modulator means; and a control circuit adjustable for synchronization, serving to extract the clock from the signal coming from the detector means and, on the basis of said clock, generating a modulation control signal which it applies to the modulator means, wherein the detector means and the modulator means are constituted respectively by the inlet section and the outlet section of an electro-absorbent modulator constituted by a two-section integrated component, such that said detector means and modulator means can be placed in the line in the form of a single insertion. The present invention also provides optical telecommunications systems using such an inline modulator device.

REFERENCES:
patent: 5401957 (1995-03-01), Suzuki et al.
patent: 5594583 (1997-01-01), Devaux
patent: 5625636 (1997-04-01), Bryan et al.

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