Photonic switching system

Details Photonic switching system Photonic switching system

1990-12-27

1993-12-28

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359120, 359124, 359128, 359131, 385 7, 385 16, H04B 1020, H04J 1402

Patent

active

052744876

ABSTRACT:
A photonic switching system includes an optical link conversion board having a first end and a second end opposite to the first end, a plurality of wavelength converter elements arranged at a constant pitch along the first end of the optical link conversion board and converting input optical signals into optical signal components having different wavelengths, a combiner for combining the optical signal components received from the wavelength converter elements into an optical signal which includes optical signal components having a plurality of wavelengths, a plurality of light output parts arranged at a constant pitch along the second end of the optical link conversion board, and a deflector for sequentially deflecting the optical signal from the combiner to an arbitrary one of the light output parts in response to a control signal so that the optical signal at the arbitrary light output part includes a plurality of optical signal components having different wavelengths.

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IBM technical Bulletin, WDMA network, Mar. 1990 all.
Aida et al., "Optical Protection Switches for Trunk Transmission Systems", IEEE International Conference on Communications '99, Conference Record vol. 1 of 3, Jun., 1988.
Huang et al., "Fast Multicasting 4.times.4 Photonic Space Switch Utilizing Acousto-Optic Bragg Cells", Fourteenth European Conference on Optical Communication (ECOC 88), Part 1, Sep., 1988.
Akiyama et al., "A Proposal of Space and Wavelength Division Composite Optical Switching System", Optical Switching Study Group Material of the Electronic Information Communication Society, Feb., 1989.

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