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26 February 2008 Electrically injected InP microdisk lasers integrated with nanophotonic SOI circuits
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Abstract
We have achieved continuous-wave electrically-injected lasing operation at room-temperature in InP-based microdisks heterogeneously integrated on a SOI nanophotonic circuit. The microdisks were evanescently coupled with sub-micron SOI wire waveguides, resulting in up to 10 μW waveguide-coupled unidirectional output power, with a measured slope efficiency up to 20 μW/mA. A tunnel junction was used for efficient electrical injection with low optical absorption. The measured laser performance agrees well with calculations based on a standard laser model. This model suggests that considerable improvement in laser performance is possible.
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J. Van Campenhout, P. Rojo-Romeo, P. Regreny, C. Seassal, D. Van Thourhout, L. Di Cioccio, C. Lagahe, J.-M. Fedeli, and R. Baets "Electrically injected InP microdisk lasers integrated with nanophotonic SOI circuits", Proc. SPIE 6898, Silicon Photonics III, 68980L (26 February 2008); https://doi.org/10.1117/12.767958
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