Semiconductor emission device with fast wavelength modulation

Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction

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257 21, 257 22, 257 84, 257 85, 257 98, 257184, 359248, 372 48, 372 50, H01L 2715, H01L 3112, H01L 31153, H01L 3300

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058083146

ABSTRACT:
The present invention relates to a semiconductor emission device with fast wavelength modulation and constituted by three sections, namely two lateral sections, each having an active layer and a DFB network and which produce an optical gain, connected across a central electroabsorbant section, to which is applied a reverse voltage making it possible to quasi-instantaneously modify the absorption rate in said section.

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