Fabrication-tolerant non-linear waveguide taper

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United States of America

PATENT NO 11215758
SERIAL NO

17022813

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Abstract

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A fabrication-tolerant non-linear waveguide taper for a waveguide transition can be designed by computing the scattering rate associated with the waveguide transition as a function of waveguide width of the waveguide taper for each of multiple sets of parameter values characterizing the waveguide transition (e.g., a set of nominal parameter values and sets of parameter values associated with process corners representing process variations from the nominal parameter values), determining an envelope of the computed width-dependent scattering rates, and computing a non-linear taper profile of the waveguide taper based on the envelope. Light propagation and coupling along the waveguide transition may further be computationally simulated for the multiple sets of parameter values to determine a minimum transmission value associated with the waveguide transition for a specified taper length, and/or to determine a minimum taper length at which the transmission values associated with the waveguide transition exceed a specified threshold transmission value.

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Patent Owner(s)

  • JUNIPER NETWORKS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dalvand, Naser Mountain View, US 7 1
Norberg, Erik Johan Santa Barbara, US 36 84

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