Laser device and process for fabricating such a laser device
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United States of America Patent
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Feb 20, 2018
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N/A
app pub date -
Nov 11, 2016
filing date -
Nov 13, 2015
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Abstract
A III-V heterostructure laser device located in and/or on silicon, including a III-V heterostructure gain medium, a rib optical waveguide, located facing the gain medium and including a strip waveguide equipped with a longitudinal rib, the rib optical waveguide being located in the silicon, two sets (RBE-A, RBE-B) of Bragg gratings formed in the rib optical waveguide and located on either side of the III-V heterostructure gain medium, each set (RBE-A, RBE-B) of Bragg gratings including a first Bragg grating (RB1-A, RB1B) having a first pitch and formed in the rib and a second Bragg grating (RB2-A, RB2-B) having a second pitch different from the first pitch and formed on that side of the rib waveguide which is opposite the rib.
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