30 July 2001 SOA-based functional devices
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Proceedings Volume 4532, Active and Passive Optical Components for WDM Communication; (2001) https://doi.org/10.1117/12.436005
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States
Semiconductor optical amplifier (SOA)-based functional devices are of interest for optical signal processing due3 to their many attractive features, which include high-speed operation, potentially low polarization dependency, large optical bandwidth and low loss. Furthermore, they may be integrateable and have a moderate to low power consumption. The fact that SOA-based devices can be used for a multitude of purposes and either have the above-mentioned characteristics inherently or can be fabricated to accommodate them, makes them prime candidates for the implementation of a variety of functionalities. Among others, SOAs are attractive as fast optical gates, where one of their most significant features is a high on-off ratio, which is critical for cross-talk suppression. Furthermore, SOAs employed as nonlinear elements, either alone or in interferometers, have demonstrated the capability of more complex functionalities such as wavelength conversion, switching, time-division (de)multiplexing as well as 2R and 3R regeneration. Additionally, more exotic functionalities such as Boolean logic gates can be realized, making SOA- based devices attractive for use in a broader system or network perspective. In this paper, the focus will be on techniques for wavelength conversion, 2R and 3R regeneration employing cross-phase modulation in interferometers, which have demonstrated some of the most promising results. Furthermore, the implementation of all-optical logic using SOA-based interferometers will be discussed, and some of the novel employments of these functionalities will be presented.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tina Fjelde, Tina Fjelde, David Wolfson, David Wolfson, Allan Kloch, Allan Kloch, Mads Loenstrup Nielsen, Mads Loenstrup Nielsen, Henrik Wessing, Henrik Wessing, "SOA-based functional devices", Proc. SPIE 4532, Active and Passive Optical Components for WDM Communication, (30 July 2001); doi: 10.1117/12.436005; https://doi.org/10.1117/12.436005


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