RIDGE WAVEGUIDE LASER DEVICE
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United States of America Patent
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Issued Date -
Dec 3, 2020
app pub date -
Aug 17, 2016
filing date -
Aug 17, 2016
priority date (Note) -
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Abstract
A problem with a conventional waveguide type laser device is that in the case in which an isotropic laser medium is used for a core, linearly polarized light is not provided. A ridge waveguide laser device of the present disclosure includes: a substrate; a core joined to the substrate and having a laser medium, the core having a refractive index higher than that of the substrate; and a cladding joined to the core, constituting a ridge waveguide together with the core, and made from a birefringent material having ordinary and extraordinary refractive indices lower than the refractive index of the core, the ordinary and extraordinary refractive indices being different.
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