Abstract
In this paper, we present a theoretical study on the effect of the angle of a tilted Bragg grating written in a 2×2 symmetric fused fiber coupler. Coupling coefficients and wavelength response curves show that the grating angle is critical in determining the behavior of the component. For a particular type of coupler, a tilt of 0.4° is sufficient to degrade component performance.
© 1999 Optical Society of America
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