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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 25,
  • Issue 9,
  • pp. 2531-2538
  • (2007)

Design of Compact Integrated InGaAsP/InP Polarization Controller Over the C-Band

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Abstract

In this paper, we propose a compact integrated InGaAsP/InP polarization controller circuit. The proposed circuit transforms any incoming state of polarization (SOP) to any required SOP. It consists of two polarization beam splitters/combiners, two polarization converters, a tunable power coupler, and a phase shifter, which are integrated on a single chip. The controller size is 6000 <i>µ</i>m x 9.7 <i>µ</i>m. Optical characteristics of the controller are evaluated by computer simulation using a 3-D full-vectorial beam propagation method. Simulation results show that the insertion loss is less than 3.2 dB, and the extinction ratio is more than -22 dB for the wavelength range from 1.53 to 1.56 <i>µ</i>m.

© 2007 IEEE

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