Journal article
Ultra-low-loss inverted taper coupler for silicon-on-insulator ridge waveguide
An ultra-low-loss coupler for interfacing a silicon-on-insulator ridge waveguide and a single-mode fiber in both polarizations is presented. The inverted taper coupler, embedded in a polymer waveguide, is optimized for both the transverse-magnetic and transverse-electric modes through tapering the width of the silicon-on-insulator waveguide from 450 nm down to less than 15 nm applying a thermal oxidation process.
Two inverted taper couplers are integrated with a 3-mm long silicon-on-insulator ridge waveguide in the fabricated sample. The measured coupling losses of the inverted taper coupler for transverse-magnetic and transverse-electric modes are ~0.36 dB and ~0.66 dB per connection, respectively.
Language: | English |
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Year: | 2010 |
Pages: | 3678-3682 |
ISSN: | 18730310 and 00304018 |
Types: | Journal article |
DOI: | 10.1016/j.optcom.2010.05.034 |
ORCIDs: | Pu, Minhao , Ou, Haiyan , Yvind, Kresten and Hvam, Jørn Märcher |
Integrated optics devices Optical design and fabrication Waveguide