Multimode-Waveguide-Based Optical Power Splitters in Glass

Low-loss glass-based buried multimode waveguides are fabricated by using the field-assisted Ag+--Na+ ion-exchange technique, and multimode optical power splitters are investigated. The measured loss of the multimode waveguides is lower than 0.1dB/cm, and the additional loss of the multimode optical power splitters is lower than 1.3dB under the uniform splitting condition.