18232342. OPTICAL COUPLING APPARATUS AND METHODS OF MAKING SAME simplified abstract (Taiwan Semiconductor Manufacturing Co., Ltd.)

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OPTICAL COUPLING APPARATUS AND METHODS OF MAKING SAME

Organization Name

Taiwan Semiconductor Manufacturing Co., Ltd.

Inventor(s)

Chan-Hong Chern of Hsin-Chu (TW)

Min-Hsiang Hsu of Hsin-Chu (TW)

OPTICAL COUPLING APPARATUS AND METHODS OF MAKING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18232342 titled 'OPTICAL COUPLING APPARATUS AND METHODS OF MAKING SAME

Simplified Explanation

The patent application discloses an apparatus and methods for optical coupling in optical communications. The apparatus includes a planar layer with an array of scattering elements arranged in a two-dimensional grating. The scattering elements are pillars with concave polygon-shaped top surfaces.

  • The apparatus includes a planar layer with an array of scattering elements arranged in a two-dimensional grating.
  • The scattering elements are pillars with concave polygon-shaped top surfaces.
  • The grating is formed by intersecting concentric elliptical curves.
  • A first taper structure connects one side of the grating to a first waveguide.
  • A second taper structure connects the other side of the grating to a second waveguide.

Potential applications of this technology:

  • Optical communications systems
  • Fiber optic networks
  • Data centers
  • Telecommunications infrastructure

Problems solved by this technology:

  • Efficient optical coupling between waveguides and scattering elements
  • Improved light transmission and reception in optical communications systems
  • Enhanced performance and reliability of fiber optic networks

Benefits of this technology:

  • Improved optical coupling efficiency
  • Increased data transmission rates
  • Enhanced signal quality and reliability
  • Reduced signal loss and distortion


Original Abstract Submitted

Disclosed are apparatus and methods for optical coupling in optical communications. In one embodiment, an apparatus for optical coupling is disclosed. The apparatus includes: a planar layer; an array of scattering elements arranged in the planar layer at a plurality of intersections of a first set of concentric elliptical curves crossing with a second set of concentric elliptical curves rotated proximately 90 degrees to form a two-dimensional (2D) grating; a first taper structure formed in the planar layer connecting a first convex side of the 2D grating to a first waveguide; and a second taper structure formed in the planar layer connecting a second convex side of the 2D grating to a second waveguide. Each scattering element is a pillar into the planar layer. The pillar has a top surface whose shape is a concave polygon having at least 6 corners.

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