Rouifed, M-Said Ultra-compact MMI-based beam splitter demultiplexer for the NIR/MIR wavelengths of 1.55 μm and 2 μm. [electronic resource] - Optics express May 2017 - 10893-10900 p. digital Publication Type: Journal Article ISSN: 1094-4087 Standard No.: 10.1364/OE.25.010893 doi