Abstract

For WDM systems, tunable optical filters have been actively studied. [1] Most tunable filters can select only one wavelength at a time, the tuning speeds are as slow as 1 - 100 ms, and they need wavelength-stabilizing circuits. For communication switching, filters are thus required that can select several wavelengths simultaneously, and can switch quickly without stabilization. To meet these requirements, we have studied a novel multi-channel filter consisting of a birefringent planar optical platform.

© 1995 Optical Society of America