Abstract
Two different optical fiber bus networks are compared and demonstrated experimentally as means of gathering information from four wavelength-division-multiplexed photonic sensors. Both topologies include distributed amplification, which allows one to overcome the limitation in the maximum number of sensors that can be multiplexed in a single structure. Results obtained with a dual-bus topology are compared with those achieved with a single-bus network.
Highlights
The proliferation of the so-called smart materials that are employed in aeronautics, medical applications, and intelligent buildings is increasing the number of sensors that need to be dealt with in a single structure
Overcoming the limitation imposed by the bus structures by use of optical amplif ication has been proposed[1] and has been demonstrated in both lumped[2] and distributed[3] conf igurations
In this Letter we demonstrate experimentally the single- and dual-bus structures shown in Fig. 1; simulations of these structures have already been published.[4]
Summary
The proliferation of the so-called smart materials that are employed in aeronautics, medical applications, and intelligent buildings is increasing the number of sensors that need to be dealt with in a single structure. Departamento de Ingenierıa Electrica y Electronica, Universidad Publica de Navarra, Campus de Arrosadıa s/n, 31006 Pamplona, Spain This distributed amplification yields constant power in each sensor and a minor overall loss, allowing a greater number of sensors to be multiplexed in each structure.
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