OPTICAL MODE STEERING FOR WAVELENGTH STABILIZATION
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Nov 6, 2013
filing date -
Nov 6, 2013
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Abandoned
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Abstract
Embodiments of the invention describe wavelength stabilization of selective optical components (e.g., multiplexers, de-multiplexers) using optical mode steering. An additional waveguide structure is coupled to the free propagation region of the selective optical component; this additional waveguide structure moves a spatial position or a direction of a propagation of an optical mode at the free propagation region in order to adjust a wavelength response of the component. By moving the position or direction of the optical mode, the wavelength response of the component may be changed; in other words, by tuning the position or direction of the optical mode, a component's wavelength/channel response is “remapped” to account for the mis-targeting (i.e., wavelength shift) related to a temperature change or a design/manufacturing defect.
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