4.5 Article

Efficient Strip to Strip-Loaded Slot Mode Converter in Silicon-on-Insulator

Journal

IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 23, Issue 20, Pages -

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2162623

Keywords

Asymmetric strip-loaded slot; mode converter; silicon-on-insulator

Funding

  1. Air Force Office of Scientific Research
  2. AFOSR [FA9550-08-1-0101]
  3. Presidential Early Career Award [FA9550-10-1-0053]
  4. NSF STC MDITR Center [DMR0120967]
  5. Washington Research Foundation

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We present a mode converter in the silicon-on-insulator platform, which enables highly efficient, broadband coupling between a strip waveguide and a strip-loaded slot waveguide near 1.55 mu m. The proposed converter has the benefit of electrically isolating the two arms of the slot waveguide. We fabricated and tested our mode converters, and achieved 0.81 +/- 0.49 dB per converter insertion loss in the best set of devices, in agreement with simulation.

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