QUANTUM CONFINED STARK EFFECT ELECTROABSORPTION MODULATOR ON A SOI PLATFORM
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United States of America Patent
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Oct 24, 2019
app pub date -
Jul 7, 2017
filing date -
Jul 7, 2016
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Abstract
An electroabsorption modulator. The modulator comprising an SOI waveguide; an active region, the active region comprising a multiple quantum well (MQW) region; and a coupler for coupling the SOI waveguide to the active region. The coupler comprising: a transit waveguide coupling region; a buffer waveguide coupling region; and a taper region; wherein, the transit waveguide coupling region couples light between the SOI waveguide and the buffer waveguide coupling region; and the buffer waveguide coupling region couples light between the transit waveguide region and the active region via the taper region.
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