Optical multiplex transmission equipment and method

Details Optical multiplex transmission equipment and method Optical multiplex transmission equipment and method

1996-06-20

1997-09-23

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359176, H04B 1000

Patent

active

056710747

ABSTRACT:
An optical transmission system accomplishes optical transmission over a long distance by combining a multiplexing line terminal with optical amplifiers, linear repeaters, and regenerators with optical amplifiers combined together. The system also accomplishes the optical transmission over a short distance by directly connecting the linear terminals therebetween, with an electric-to-optic converter replaced by an electric-to-optic converter having a semiconductor amplifier, with an optic-to-electric converter by an optic-to-electric converter having an avalanche photodiode as light receiver, and with no use of any optical booster amplifier and optical preamplifier in the multiplexing line terminal. With these, the optical transmission system can be easily constructed depending on the transmission distance required.

REFERENCES:
patent: 5555477 (1996-09-01), Tomooka et al.

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