5 September 2014 High speed all-optical PRBS generation using binary phase shift keyed signal based on QD-SOA
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Abstract
A scheme to generate return-to-zero on-off keying (RZ-OOK) high speed all-optical pseudo random bit sequence (PRBS) using binary phase shift keyed (BPSK) signal based on quantum-dot semiconductor optical amplifiers (QD-SOA) has been designed and studied. The PRBS is generated by a linear feedback shift register (LFSR) composed of all-optical logic XOR and AND gates. The XOR gate is composed of a pair of QD SOA Mach-Zehnder interferometers, which can generate BSPK signal to realize all-optical logic XOR gate. Results show that this scheme can mitigate the patterning effects and increase the operation speed to ~250Gb/s.
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Wenbo Li, Hongyu Hu, Niloy K. Dutta, "High speed all-optical PRBS generation using binary phase shift keyed signal based on QD-SOA", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 92020O (5 September 2014); doi: 10.1117/12.2062654; https://doi.org/10.1117/12.2062654
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