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Both grating couplers and fiber-chip edge couplers are commonly used in integrated optics for coupling light between planar SOI waveguides and optical fibers. While grating couplers have the advantage of being able to couple light to and from the chip at any location from the chip, the bandwidth can be limited due to the dispersive operating principle of grating couplers. When a large operating bandwidth is desired, edge couplers provide a good alternative.

 

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Please select from the following topics:

Grating Coupler 2D-FDTD

Grating Coupler 3D-FDTD

Grating Coupler Circuits INTERCONNECT

 

Relevant video(s)

Grating couplers design and optimization

 

References

"Silicon Photonics Design", Lukas Chrostowski, Michael Hochberg, 2013.

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