Abstract

Temperature-dependent gain and noise characteristics of conventional band and long wavelength band erbium-doped fiber amplifiers are compared. Gain variations and noise figure penalties are shown for 980-and 1480-nm pump wavelength bands at different average inversion levels when the erbium coil temperature is cycled from -10 C to 80C. Experimental results demonstrate that the L-band exhibits greater temperature-dependent gain and noise figure excursions compared to the C-band. Furthermore, it is shown that the impact of erbium coil temperature in the L-band is comparatively less dependent upon pump wavelength.

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References

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  1. N. Kagi, A. Oyobe and K. Nakamura, "Temperature Dependence of the Gain in Erbium Doped Fibers", J. Lightwave Technol., vol. 9, pp. 261-265, Feb. 1991.
  2. M. J. Yadlowsky, "Pump wavelength dependent spectral hole burning in EDFA's", J. Lightwave Technol., vol. 17, pp. 1643-1648, Sept. 1999.

J. Lightwave Technol. (2)

N. Kagi, A. Oyobe and K. Nakamura, "Temperature Dependence of the Gain in Erbium Doped Fibers", J. Lightwave Technol., vol. 9, pp. 261-265, Feb. 1991.

M. J. Yadlowsky, "Pump wavelength dependent spectral hole burning in EDFA's", J. Lightwave Technol., vol. 17, pp. 1643-1648, Sept. 1999.

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