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Proceedings Paper

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

Paper Details

Date Published: 14 May 2019
PDF: 8 pages
Proc. SPIE 11000, Fiber Optic Sensors and Applications XVI, 110000I (14 May 2019); doi: 10.1117/12.2515823
Show Author Affiliations
Sunil Thapa, Univ. of Connecticut (United States)
Xiang Zhang, Univ. of Connecticut (United States)
Niloy K. Dutta, Univ. of Connecticut (United States)

Published in SPIE Proceedings Vol. 11000:
Fiber Optic Sensors and Applications XVI
Robert A. Lieberman; Glen A. Sanders; Ingrid U. Scheel, Editor(s)

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