Integrated optical waveguide bend

Details Integrated optical waveguide bend Integrated optical waveguide bend

1988-10-31

1990-03-06

Lee, John D.

350 9615, G02B 612

Patent

active

049060627

ABSTRACT:
An integrated optic device comprises a strip-like waveguide having a Z-bend to provide a lateral offset. Weak lateral guiding in the waveguide is provided by giving the waveguide a higher effective refractive index than that of the remaining material in that layer. In accordance with the invention, an edge guide region is formed in the same layer just outside each bend, and has an even greater effective refractive index. The edge guide regions minimize power loss at the bends.

REFERENCES:
patent: 4810049 (1989-03-01), Fischer et al.

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