Journal
IEEE PHOTONICS JOURNAL
Volume 5, Issue 1, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2013.2239283
Keywords
Photonic integrated circuits; optical waveguides
Funding
- DFG Center for Functional Nanostructures
- KIT Initiative of Excellence
- Karlsruhe School of Optics and Photonics
- EU [224402, 248609]
- BMBF joint project MISTRAL
- German Ministry of Education and Research [01BL0804]
- European Research Council (ERC) [280145]
- Open Access Publishing Fund of Karlsruhe Institute of Technology
- Deutsche Forschungsgemeinschaft
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We demonstrate compact highly efficient broadband strip-to-slot mode converters in silicon with record-low losses of 0.02 (+/- 0.02) dB and negligible reflections between 1480 nm and 1580 nm. The new strip-to-slot transition is logarithmically tapered, which enables a compact design. The new logarithmic tapers are compared with more conventional linearly tapered converters.
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