Monolithic wide wavelength tunable mid-IR laser sources
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Jan 9, 2018
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May 20, 2016
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Nov 30, 2012
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Abstract
A method of characterizing a monolithic tunable mid-infrared laser including a heterogeneous quantum cascade active region together with a least first and a second tunable integrated distributed feedback gratings, the method including operating the laser while tuning the first grating through its full tuning range, while holding the reflectivity function of the second grating constant, then operating the laser while tuning the second grating through its full tuning range, while holding the reflectivity function of the first grating constant.
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