Discussion of power management in an optical WDM network

Zhangyuan Chen; Guisheng Xiong; Baicheng Zhang; Anshi Xu; Deming Wu

doi:10.1117/12.318041

6 August 1998 Discussion of power management in an optical WDM network

Zhangyuan Chen, Guisheng Xiong, Baicheng Zhang, Anshi Xu, Deming Wu

Proceedings Volume 3552, Fiber Optic Components and Optical Communication II; (1998) https://doi.org/10.1117/12.318041
Event: Photonics China '98, 1998, Beijing, China

Abstract

Power management is discussed based on a WDM optical test network, in which ring laser clamped EDFAs are used to compensate loss and only the optical attenuators is needed for power regulation. All channels at the output of each node are adjusted to a preset power level, so signal power fluctuations and differences between channels are not passed to the later nodes. The transmission performance is also studied and a simple expression is derived for evaluating the possible input power to the fiber and the possible transmission distance in optical networks. The accumulation of optical amplifier noise and the maximum input power for the stable gain of the lasing-clamped EDFA are the dominant factors limiting the network scale, and restrict the preset input power to the fiber.

Citation Download Citation

Zhangyuan Chen, Guisheng Xiong, Baicheng Zhang, Anshi Xu, and Deming Wu "Discussion of power management in an optical WDM network", Proc. SPIE 3552, Fiber Optic Components and Optical Communication II, (6 August 1998); https://doi.org/10.1117/12.318041

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