BRAGG GRATING EXTERNAL CAVITY LASER
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Feb 11, 2015
filing date -
Jun 12, 2014
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Abstract
A Bragg grating external cavity laser apparatus may comprise the combination of a slider and an external cavity laser. The slider includes a waveguide that delivers light to a recording media. The external cavity laser includes an active region with a reflective back facet and a front facet that is externally coupled to the waveguide of the slider. The external cavity laser additionally includes a Bragg grating within the waveguide of the slider where the reflective back facet and the Bragg grating operate to define a single resonator within the external cavity.
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