All-optical flip flops using directly coupled semiconductor optical amplifiers

Alastair D McAulay

doi:10.1117/12.507015

12 December 2003 All-optical flip flops using directly coupled semiconductor optical amplifiers

Alastair D McAulay

Proceedings Volume 5201, Photonic Devices and Algorithms for Computing V; (2003) https://doi.org/10.1117/12.507015
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Two semiconductor optical amplifiers (SOAs) are directly coupled by connecting the output of each to the input of the other. This provides positive feedback for an inverted optical threshold; there is negligible output above a specified threshold. The SOA pair is analyzed and simulated to optimize parameters. Two SOA pairs are cross-connected in a similar manner by connecting the output of each pair to the input of the other, to construct an R-S flip-flop. Analysis shows that only two states exist. Simulation is used to demonstrate setting and resetting the R-S flip-flop at up to 5 Gbps.

Citation Download Citation

Alastair D McAulay "All-optical flip flops using directly coupled semiconductor optical amplifiers", Proc. SPIE 5201, Photonic Devices and Algorithms for Computing V, (12 December 2003); https://doi.org/10.1117/12.507015

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