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Related Experiment Videos

Multistage dispersion compensator using ring resonators.

C K Madsen1, G Lenz, A J Bruce

  • 1Bell Laboratories, Lucent Technologies, Room 1D148, 600 Mountain Avenue, Murray Hill, New Jersey 07974, USA.

Optics Letters
|December 15, 2007
PubMed
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This study presents a compact multichannel dispersion-compensating filter for optical networks. Multistage designs significantly enhance performance, enabling effective dispersion compensation in long-haul systems.

Area of Science:

  • Optical Engineering
  • Telecommunications

Background:

  • Chromatic dispersion limits data transmission in optical fibers.
  • Efficient dispersion compensation is crucial for high-speed, long-haul optical communication systems.

Purpose of the Study:

  • To demonstrate a compact, multichannel dispersion-compensating filter.
  • To investigate the performance benefits of multistage filter designs.
  • To validate the filter's effectiveness in a simulated optical system.

Main Methods:

  • Fabrication and characterization of a compact multichannel dispersion-compensating filter.
  • Design and comparison of single-stage versus multistage filter configurations.
  • System simulation of a 320-km optical link using OC48 signals.

Related Experiment Videos

Main Results:

  • Achieved D=-4200 ps/nm dispersion compensation with +/-5 ps group delay ripple.
  • Demonstrated a 4.5-GHz passband width within a 12.5-GHz free spectral range.
  • Multistage designs showed improved passband width and peak dispersion compared to single-stage.

Conclusions:

  • The demonstrated filter offers a compact and effective solution for multichannel dispersion compensation.
  • Multistage filter designs provide superior performance for optical communication systems.
  • The filter is suitable for long-haul optical transmission systems like OC48.