Abstract

It is shown that wavelength-selective optical-fiber couplers can be made by choosing materials having appropriate dispersive characteristics. The wavelength-selective effect is caused by differential material dispersion of the optical fibers that compose the coupler. The 1.30–1.57-μm wavelength-division multiplexers/demultiplexers are designed by the use of optical-fiber couplers fabricated from dispersive materials.

© 1988 Optical Society of America

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