Optical transmitter for an optical communication system in conne

Details Optical transmitter for an optical communication system in conne Optical transmitter for an optical communication system in conne

1995-11-22

1999-05-11

Bacares, Rafael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359132, H04B10/04

Patent

active

059033762

ABSTRACT:
A prior art optical transmitter for an optical communication system having a radio system connected thereto comprises a DFB laser, an optical modulator, a signal source, and an optical filter. This optical transmitter transmits light which is not modulated by an intelligence signal. It is disadvantageous in that the optical filter and the DFB laser must be matched. An embodiment of the optical transmitter according to the invention comprises a light source (1), an optical modulator (2), and a control unit (3) which controls the light source (1) and the modulator (2) in such a way that the light emerging at the output (5) of the modulator (2) is modulated with an intelligence signal.

REFERENCES:
patent: 4704715 (1987-11-01), Shibagaki et al.
patent: 4817206 (1989-03-01), Calvani et al.
patent: 4918747 (1990-04-01), Bekooij
patent: 5025487 (1991-06-01), Eichen
patent: 5251053 (1993-10-01), Heidemann
patent: 5355381 (1994-10-01), Leilabady
patent: 5432632 (1995-07-01), Watanabe

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