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Published September 26, 1988 | public
Journal Article Open

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


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.

Additional Information

Copyright © 1988 American Institute of Physics (Received 27 May 1988; accepted 19 July 1988) This work is supported by the National Science Foundation, the Powell Foundation, and ATT Corporation.


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