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Design improvement of a buffered SOA-based ultrafast all-optical half adder with PolSK modulated signals

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2 Author(s)
Hamed Ahmadi ; Photonics Research Lab., Electrical Engineering Dept., Amirkabir University of Technology Tehran, IRAN ; Hassan Kaatuzian

In this paper, we analyze and improve a modern structure optical design for an ultrafast all-optical half adder. This design is based on four wave mixing (FWM) in a semiconductor optical amplifier (SOA), with polarization-shift-keying (PolSK) modulation input signals. For analyzing the amplifier we use a finite-difference method based on solution of the traveling wave equations. In this study, we have shown that the output signal power of the device increases with the length of the SOA section and current injection.

Published in:

8th International Conference on High-capacity Optical Networks and Emerging Technologies

Date of Conference:

19-21 Dec. 2011