Equivalent circuit model for active-layer photomixing: Parasitic-free modulation of semiconductor lasers

Vahala, Kerry J.; Newkirk, Michael A.
September 1988
Applied Physics Letters;9/26/1988, Vol. 53 Issue 13, p1141
Academic Journal
Direct modulation of a laser diode by active-layer photomixing is studied in terms of an equivalent circuit model. The model shows that this modulation technique achieves nearly perfect immunity to package, chip, and junction-related parasitic effects so that the measured modulation response reflects the intrinsic carrier-photon dynamics. The nonlinear gain effect is included in the model.


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