Cascadability and fanout of semiconductor optical amplifier wavelength shifter
- 1 October 1992
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 4 (10) , 1168-1171
- https://doi.org/10.1109/68.163768
Abstract
Data at bit rates of 1 or 2 Gb/s are transferred through two cascaded, broadband wavelength shifters, which operate using gain saturation in semiconductor optical amplifiers. Such devices copy data from a modulated pump signal, in which the intensity of the marks is sufficient to significantly compress the gain of the amplifier, to a CW probe signal, producing the complement of the data. Furthermore, fanout (multicasting) is demonstrated in a single device by using two input CW probe signals. Such devices may find importance in wavelength division multiplexed systems requiring wavelength reuse and reassignment.Keywords
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