RICHARDSON, Texas, March 29 – Chorum Technologies Inc. has signed a multiyear supply agreement to provide its PolarWave Optical Slicer filters to TyCom Ltd., which will integrate the devices into its wavelength termination equipment. Chorum's filtering technology is based on the company's patented polarization processing and spectrum filtering techniques. The Optical Slicer filter is a passive device that combines or separates thousands of high-bandwidth optical channels onto and off a single fiber optic strand, increasing the transmission carrying capacity and reducing the overall cost of fiber optic telecommunications networks.