%0 Book Section %T Ultra-Compact Polarization Mode Converter Implemented in a Dual-Trench Silicon-On-Insulator Waveguide publisher IEEE %D 2012 %U 978-1-55752-933-6 %@ https://hdl.handle.net/20.500.14352/45510 %X We demonstrate an ultracompact polarization mode converter based on a silicon-on-insulator waveguide with two longitudinal subwavelength trenches. An extinction ratio of 16 dB at 1.5 μm is achieved for a device length of 10 μm. %~