Optical waveguide structure
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United States of America Patent
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May 19, 2015
Grant Date -
Oct 4, 2012
app pub date -
Apr 1, 2011
filing date -
Apr 1, 2011
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Abstract
Embodiments of the invention describe a multi-segment optical waveguide that enables an optical modulator to be low-power and athermal by decreasing the device length needed for a given waveguide length. Embodiments of the invention describe an optical waveguide that is folded onto itself, and thus includes at least two sections. Thus, embodiments of the invention may decrease the device size of a modulator by at least around a factor of two if the device is folded twofold (device size may be further reduced if the modulator is folded threefold, four-fold, five-fold, etc.).
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