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Selective-broadcast optical passive star comer design for dense WDM networks

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2 Author(s)
Kavehrad, Mohsen ; Dept. of Electr. Eng., Ottawa Univ., Ont., Canada ; Tabiani, M.

A technique is described for design and implementation of an integrated selective-broadcast passive optical star couplers that uses a space-varying refractive index slab. The coupler offers the potential for inexpensive implementation of various routing schemes. It is possible to incorporate a network traffic routing matrix in the design fabric of this bandwidth-selective coupler. The matrix may resemble any desired physical cross connection for routing user traffic. As an example, a shuffle-exchange cross-connect implementation is described. It is shown how this specific routing matrix can be built into the coupler fabric. Such a coupler has application in dense wavelength division multiplexed optical passive star networks where a selective or limited-broadcast coupling capability is desirable.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 5 )

Date of Publication:

May 1991

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