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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 28, Iss. 8 — Apr. 15, 2010
  • pp: 1164–1175

Tunable Optical Dispersion Compensator Based on Power Splitting Between Two Dispersive Media

Miguel V. Drummond, Rogério N. Nogueira, Paulo P. Monteiro, Manuel A. Violas, Carola Sterner, and Pierre-Yves Fonjallaz

Journal of Lightwave Technology, Vol. 28, Issue 8, pp. 1164-1175 (2010)


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Abstract

In this paper, we propose and experimentally demonstrate a novel tunable optical dispersion compensator (TODC). Dispersion compensation is achieved by splitting the input signal between two dispersive media and adding the resulting signals thereafter. Tunable compensation is attained by controlling the power splitting ratio of the input signal between both dispersive media. The frequency response of the TODC is theoretically assessed considering signal addition in the optical and electrical domains. The latter case is enabled by using optical single sideband (OSSB) modulation, which allows preserving the phase information of dispersive media output signals after direct detection. This is the only case experimentally tested, since it avoids stability problems related with coherent addition of optical signals. A TODC with a tuning range of ${-}340$ to 0 ps/nm was designed and experimentally assessed for a 40 Gb/s nonreturn-to-zero OSSB signal. The tunable power splitter consisted of an automatic polarization controller and a polarization beam splitter, which offered a tuning time lower than 150 $\mu$s. A bit error rate lower than $10^{-8}$ was measured on the entire compensation range with a maximum power penalty of 3.3 dB relatively to an SSB signal in back-to-back.

© 2010 IEEE

Citation
Miguel V. Drummond, Rogério N. Nogueira, Paulo P. Monteiro, Manuel A. Violas, Carola Sterner, and Pierre-Yves Fonjallaz, "Tunable Optical Dispersion Compensator Based on Power Splitting Between Two Dispersive Media," J. Lightwave Technol. 28, 1164-1175 (2010)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-28-8-1164

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