Transmission device connected to optical transmission line

Details Transmission device connected to optical transmission line Transmission device connected to optical transmission line

1997-01-31

1999-01-19

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359177, H01S 300

Patent

active

058619747

ABSTRACT:
A transmission device includes an exciting light source outputting an exciting light, a first optical part which supplies an optical amplifying part with a signal light and the exciting light, a second optical part which supplies an amplified light to an optical transmission line and receives a light received via the optical transmission line, and a control part which determines whether the light received includes the exciting light output by the exciting light source and controls the exciting light source to stop outputting the exciting light.

REFERENCES:
patent: 5467219 (1995-11-01), Ushicozawa
patent: 5570227 (1996-10-01), Nabeyama et al.
patent: 5633750 (1997-05-01), Nogiwa et al.
patent: 5680246 (1997-10-01), Takahashi et al.

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