Optical and Quantum Electronics

, Volume 47, Issue 2, pp 125–130 | Cite as

Improved dispersion tolerance of Miller coding by integrating duobinary coding

  • Sanjeev Kumar Metya
  • Vijay Janyani


A Miller–Duobinary coding scheme is proposed to increase optical transmission distance by compressing the optical spectrum compared with that of Miller coding and thereby demonstrating much larger tolerance against fiber dispersion. In this modulation scheme we investigate the dispersion tolerance of this code and found it to be nearly twice that of Miller coding only by employing single photodetector at 1 dB power penalty. The transmission reach can further be extended for higher power penalty. The circuit complexity of the proposed scheme is comparable to traditional Duobinary coding. The dispersion tolerance of Miller–Duobinary code obtained at 3 dB power penalty is \(-971\) to \(+964\) ps/nm.


Miller–Duobinary Modulation format Optical communication Optical fiber 


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Electronics and Communication EngineeringMalaviya National Institute of TechnologyJaipurIndia

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