Fiber-optic access system for subscriber optical communication

Details Fiber-optic access system for subscriber optical communication Fiber-optic access system for subscriber optical communication

1997-11-15

1999-02-16

Boudreau, Leo H.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359120, 359164, 359168, H04B 1020, H04J 1400

Patent

active

058726446

ABSTRACT:
A fiber-optic access system for subscriber optical communication adopting star type topology in an optical fiber network includes a central office, a plurality of optical network units, an optical interface, and a signal recognition/reproduction and clock extraction IC. The optical interface is provided in the central office and includes an array optical transmission module as a package unit accommodating a plurality of light sources and a plurality of output fiber terminals, and an array optical reception module as a package unit accommodating a plurality of optical sensors and a plurality of input fiber terminals. The signal recognition/reproduction and clock extraction IC is provided to each channel of the array optical reception module. The access system provided is of a scale comparable to that of a central office side optical interface of PDS and wide band characteristics comparable to those of a single star type system.

REFERENCES:
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patent: 5448388 (1995-09-01), Ohde et al.
patent: 5459607 (1995-10-01), Fellows et al.
Bar-Chaim et al, "Integrated Optoelectronics", IEEE Spectrum, May 1982, pp. 38-44.
I. Kobayashi, "The Dawn of Fiber-Optic Access Networks", Fiber-Optic Subscriber Loops, Special Edition, IEEE Communications Magazine, Feb. 1994, vol. 32, No. 2, pp. 33-86.

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