Patent 9564734 was granted and assigned to Emcore Corporation on February, 2017 by the United States Patent and Trademark Office.
A method of making an optical modulator by determining the material composition of the quantum well region in the waveguide portion of the modulator so that the modulator is transparent at a gain peak wavelength that is greater than the predetermined wavelength by a predetermined amount, and fabricating the modulator with the determined material composition.