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Lateral p - n junctions have advantages for monolithic integration with other electronic devices and can improve the modulation bandwidth of light emitting devices. An alternative approach to existing fabrication methods is presented. Simulations show that recombination takes place inside the undoped channel and that the lateral position of the junction can be defined via etching. In order to demonstrate the concept, a simple device was fabricated and characterized.
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Kaestner et al. (2002) studied this question.
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