Demultiplexer for wavelength-multiplexed optical signal

Details Demultiplexer for wavelength-multiplexed optical signal Demultiplexer for wavelength-multiplexed optical signal

1995-01-06

1996-06-04

Ullah, Akm E.

Optical waveguides

With optical coupler

Plural

385 16, 359115, G02B 626

Patent

active

055241557

ABSTRACT:
A demultiplexer (10) for a wavelength-multiplexed optical signal. A series of optical filters (13) along an input line (12) each select a signal component of a given wavelength. An optical shutter (14) receives the output of each filter (13), and is operated so as to either block or pass the filtered signal component. The filters (13) and shutters (14) may be made using integrated circuit fabrication techniques, and the entire demultiplexer (10) may be made as a monolithic device.

REFERENCES:
patent: 3699344 (1972-10-01), Rutz
patent: 4431258 (1984-02-01), Fye
patent: 4472797 (1984-09-01), Nicia
patent: 4483582 (1984-11-01), Sheem
patent: 4824200 (1989-04-01), Isono et al.
patent: 4856862 (1989-08-01), Passmore et al.
patent: 4886334 (1989-12-01), Aoki
patent: 5199088 (1993-03-01), Magel
patent: 5345521 (1994-09-01), McDonald et al.
patent: 5414548 (1995-05-01), Tachikawa et al.

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