High power waveguide absorption modulator

Details High power waveguide absorption modulator High power waveguide absorption modulator

1994-02-18

1996-05-28

Lee, John D.

Optical waveguides

Planar optical waveguide

385 1, 385 14, 385131, 257 22, 359248, 437107, G02B 610

Patent

active

055220053

ABSTRACT:
A waveguide type electro-absorptive optical modulator that resists damage to its input facet and methods for minimizing or eliminating optical and electrical damage to the input facet of waveguide type electro-absorptive modulator by fabrication of an electrically isolated region in the modulator's waveguide proximate the input facet by forming an ion implantation region in at least one waveguide confinement rib proximate the input facet, a signal contact end on the at least one rib that is recessed from the plane of the input facet, or both.

REFERENCES:
patent: 4525687 (1985-06-01), Chemla et al.
patent: 4872744 (1989-10-01), Abeles et al.
patent: 5274246 (1993-12-01), Hopkins et al.
patent: 5334551 (1994-08-01), Komatsu

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