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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 30, Iss. 15 — Aug. 1, 2012
  • pp: 2421–2426

Design of a Compact Two-Mode Multi/Demultiplexer Consisting of Multimode Interference Waveguides and a Wavelength-Insensitive Phase Shifter for Mode-Division Multiplexing Transmission

Takui Uematsu, Yuhei Ishizaka, Yuki Kawaguchi, Kunimasa Saitoh, and Masanori Koshiba

Journal of Lightwave Technology, Vol. 30, Issue 15, pp. 2421-2426 (2012)

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A compact two-mode (de)multiplexer (TM-MUX) based on Si nanowire for mode-division multiplexing is designed. The TM-MUX is composed of two multimode interference (MMI) waveguides and a butterfly-shape tapered phase shifter between two MMI waveguides. Numerical simulations show that the designed device is compact compared with conventional-mode (de)multiplexer and operates as a TM-MUX in the whole C-band. In addition, we show that the designed TM-MUX has relatively good fabrication tolerance.

© 2012 IEEE

Takui Uematsu, Yuhei Ishizaka, Yuki Kawaguchi, Kunimasa Saitoh, and Masanori Koshiba, "Design of a Compact Two-Mode Multi/Demultiplexer Consisting of Multimode Interference Waveguides and a Wavelength-Insensitive Phase Shifter for Mode-Division Multiplexing Transmission," J. Lightwave Technol. 30, 2421-2426 (2012)

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