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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 16, Iss. 3 — Mar. 1, 1998
  • pp: 358–

Fast Power Transients in Concatenated Pr3+-Doped Fluoride Fiber Amplifiers

Miroslav sek

Journal of Lightwave Technology, Vol. 16, Issue 3, pp. 358- (1998)


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Abstract

Amplified multiwavelength optical communication networks are prone to substantial saturation induced power fluctuations when a channel is turned on or rerouted. This perturbs amplifier gains at other wavelengths. The effects of addition and/or dropping of wavelength channels due to network reconfigurations or line failures in a multiwavelength network comprising eight concatenated Pr3+-doped fluoride fiber amplifiers (PDFFA's) have been studied theoretically. A large-signal numerical model which incorporates time variation effects and the downstream and upstream propagation of signal, pump and amplified spontaneous emission has been used. In an eight channel WDM network the loss of channels will cause very fast power excursions of the surviving channels. The necessary speed of the link control circuit for surviving channel protection has been investigated.

[IEEE ]

Citation
Miroslav sek, "Fast Power Transients in Concatenated Pr3+-Doped Fluoride Fiber Amplifiers," J. Lightwave Technol. 16, 358- (1998)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-16-3-358

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