SEMICONDUCTOR OPTICAL WAVEGUIDE, SEMICONDUCTOR OPTICAL MUDULATOR, AND SEMICONDUCTOR OPTICAL MODULATION SYSTEM
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United States of America Patent
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Apr 13, 2017
app pub date -
Oct 6, 2016
filing date -
Oct 9, 2015
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Abstract
A boundary surface (12S) which divides a rib (12) of a rib-slab type core (11) into a p-type semiconductor region (12a) and an n-type semiconductor region (12b) is constituted by a first flat surface (S1) serving as a junction surface of a first lateral p-n junction (J1), a second flat surface (S2) serving as a junction surface of a vertical p-n junction (J2), and a third flat surface (S3) serving as a junction surface of a second lateral p-n junction (J3).
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