Abstract
Wavelength routing for all-optical networks using wavelength- division multiple access (WDMA) has received increasing attention. 1 - In a wavelength-routing network, wavelength-selective elements are used to route different wavelengths to their corresponding destinations. Compared to a passive WDMA network using star couplers, a network with wavelength-routing capability can avoid the splitting loss incurred by the broadcasting nature of a star coupler.1 Furthermore, the same wavelength cans be used simultaneously on different links of the same network, provided that these links are physically separated, thus reducing the total number of wavelengths required.1
© 1994 Optical Society of America
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