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Guided wave coupler, coupling module and methods for use therewith

  • US 10,498,003 B2
  • Filed: 02/07/2019
  • Issued: 12/03/2019
  • Est. Priority Date: 10/21/2014
  • Status: Expired due to Fees
First Claim
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1. A waveguide device comprising:

  • a first coupler configured to;

    guide first electromagnetic waves conveying a first data stream to a transmission medium, wherein the first electromagnetic waves propagate along the first coupler via at least one first guided wave mode; and

    generate, responsive to the first electromagnetic waves, third electromagnetic waves conveying the first data stream that propagate at non-optical frequencies along the transmission medium via a non-fundamental mode not included in the at least one first guided wave mode; and

    a second coupler configured to;

    receive second electromagnetic waves conveying a second data stream from the transmission medium that propagate along the transmission medium at non-optical frequencies in an opposite longitudinal direction from the third electromagnetic waves, wherein the second electromagnetic waves propagate along the transmission medium via the non-fundamental mode, wherein the second electromagnetic waves and the third electromagnetic waves have corresponding azimuthal electromagnetic field patterns that vary by an angular displacement; and

    generate, responsive to the second electromagnetic waves, fourth electromagnetic waves conveying the second data stream, wherein the first electromagnetic waves propagate along the second coupler via the at least one first guided wave mode.

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