Optical exchanging apparatus using mode conversion and mode sele

Details Optical exchanging apparatus using mode conversion and mode sele Optical exchanging apparatus using mode conversion and mode sele

1996-09-03

1997-07-22

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling function

385 24, 385 31, 359116, 359154, G02B 628

Patent

active

056510802

ABSTRACT:
An optical exchanging apparatus is disclosed including N optical transmitters for generating optical signals each having a single constant mode, N mode converters for converting modes of the optical signals generated from the optical transmitters according to a mode-converting signal, an Nx1 coupler for coupling the mode-converted optical signals generated from the mode converters to be supplied to one terminal, a 1xN distributor or distributing the coupled optical signal generated from the Nx1 coupler to N optical signals each having various modes, N mode selectors for respectively passing only the optical signal of a selected mode out of the N optical signals generated from the 1xN distributor, and N optical receivers for receiving the optical signals generated from the mode selectors.

REFERENCES:
patent: 5325221 (1994-06-01), Van der Tol
patent: 5555326 (1996-09-01), Hwang et al.

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