Stress-Optic Phase Controller Having Enhanced Stress-Inducing Capability
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United States of America
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Jan 16, 2025
app pub date -
Jul 3, 2024
filing date -
Jul 3, 2024
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Abstract
The present disclosure is directed to systems and methods for controlling the phase of at least one light signal in a planar-lightwave circuit (PLC) via a stress-optic (SO) phase controller. SO phase controllers in accordance with the present disclosure include a stress-inducing element disposed on a dome-shaped surface of the upper cladding of an integrated-optics-based waveguide, where the dome surface includes little or no linear portion. Such a dome-shaped surface improves the effectiveness with which the stress-inducing element can impart stress in the waveguide materials, thereby reducing the drive voltage and/or interaction length required to induce a given phase shift as compared to the prior art.
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