Bistable micro-ring lasers with compact footprint and high output efficiency

Mezosi, Gábor and Strain, Michael J and Furst, Sándor and Sorel, Marc (2012) Bistable micro-ring lasers with compact footprint and high output efficiency. IEEE Journal of Quantum Electronics, 48 (8). pp. 1023-1030. (https://doi.org/10.1109/JQE.2012.2200653)

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Abstract

Micro-ring lasers, with a minimum bend radius of 10 $mu{rm m}$, are presented that exhibit directional bistability and output powers up to 1.5 mW. In order to achieve devices with low threshold currents, mW output powers and directional bistability, the confilicting design constraints on the device are highlighted. Optimized adiabatic waveguide bends, bi-level evanescent couplers, and deeply etched ridge waveguide designs are presented in order to meet the stringent device design requirements. The optimized micro-ring laser devices exhibit directional extinction ratios of 25 dB and side-mode suppression ratios ${>}{rm 25}~{rm dB}$.

ORCID iDs

Mezosi, Gábor, Strain, Michael J ORCID logoORCID: https://orcid.org/0000-0002-9752-3144, Furst, Sándor and Sorel, Marc;
CORE (COnnecting REpositories)