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Tolerance of optical filters detuning in CWDM networks

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Abstract

The introduction of CDWM networks has imposed a new degree of freedom on the optoelectronics devices: temperature. However, for networks with several cascaded filters, even with large bandwidth filters is not sufficient to allocate completely the optical signals.

We have developed an analytical model to estimate the performance of optical networks were the central wavelength of the filters and laser drift as function of the local temperature, resulting in a QoS degradation.

The model is validated recurring to simulated results obtained in a commercial numerical simulator. The obtained results reveal a high accordance between the simulated results and the predicted by the model.

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References

  1. ITU-T G.694.2 Spectral Grids for WDM Applications: CWDM Wavelength Grid. (2002)

  2. Antunes, P., Teixeira, A.T., Mão-Cheia, P., Osório, J., Pinto, J.L., André, P.S.: Thermal Tolerances of Optoelectronics Devices and Consequent Implications in CWDM Networks. In: Proc Conf. on Telecommunications – ConfTele, (Tomar Portugal, April 2005).

  3. André P.S., Pinto A.N. (2005) Chromatic dispersion fluctuations in optical fibers due to temperature and its effects in high-speed optical communication systems. Optics Commun. 246, 303– 311

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  4. Teixeira A.T., Lima M.J.N., Rocha R.F. (2003) Effects of optical filter detunning in WDM optical networks. IEE Electron Lett. 39(14):1073–1074

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  5. André, P.S., Antunes, P., Teixeira, A.T., Pinto J.L.: Thermodynamic model for low cost uncooled semiconductor laser. In: Proc Avionics fibre optics and photonics conference, (Minneapolis United States, September 2005)

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Authors and Affiliations

  1. Instituto de Telecomunicações and Departamento de Física, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal

    P. S. André & P. Antunes

  2. Instituto de Telecomunicações and Departamento de Electrónica e Telecomunicações, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal

    A. J. Teixeira & Mário J. N. Lima

Authors
  1. P. S. André
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  2. P. Antunes
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  3. A. J. Teixeira
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  4. Mário J. N. Lima
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Corresponding author

Correspondence to P. S. André.

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André, P.S., Antunes, P., Teixeira, A.J. et al. Tolerance of optical filters detuning in CWDM networks. Photon Netw Commun 13, 323–328 (2007). https://doi.org/10.1007/s11107-006-0038-x

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  • DOI: https://doi.org/10.1007/s11107-006-0038-x

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