Two-photon absorption effect on pseudorandom bit sequence for high speed operation

Sunil Thapa; Xiang Zhang; Niloy K. Dutta

doi:10.1117/12.2515823

14 May 2019 Two-photon absorption effect on pseudorandom bit sequence for high speed operation

Sunil Thapa, Xiang Zhang, Niloy K. Dutta

Proceedings Volume 11000, Fiber Optic Sensors and Applications XVI; 110000I (2019) https://doi.org/10.1117/12.2515823
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

The effect of two-photon absorption (TPA) on all-optical logic operation in quantum-dot semiconductor optical amplifier (QD-SOA) has been carried out. The rate equation was modeled with the TPA effect for the logic XOR gate, AND gate, and, for pseudo-random bit sequence (PRBS) generation. The output Q-factor (quality) has increased due to the implementation of TPA induced pumping. The results show that the quality of the output depends on the input pulse width and the speed of operation. The PRBS system has been shown to operate at 250 Gb/s and 320 Gb/s and the Q-factor decreases with an increase in pulse width.

Conference Presentation

Citation Download Citation

Sunil Thapa, Xiang Zhang, and Niloy K. Dutta "Two-photon absorption effect on pseudorandom bit sequence for high speed operation", Proc. SPIE 11000, Fiber Optic Sensors and Applications XVI, 110000I (14 May 2019); https://doi.org/10.1117/12.2515823

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