Abstract
Acousto-optic deflectors are introduced to be used as star couplers that perform broadcasting and routing in local area networks. Configurations for both single-wavelength and multiwavelength broadcast-and-select networks are proposed. A routing network in which both the input and output ports are wavelength tunable is also shown. Acousto-optic devices provide these networks with the advantage of low insertion loss, simplicity, and compactness, because one device can handle a large number of ports. Analysis for these networks is presented and computed simulation results are shown. The proposed routing network is not limited to the use of acousto-optic deflectors, because conventional blazed diffraction gratings can be used. © 1994 John Wiley & Sons, Inc.
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