Efficient light coupler from off-chip to on-chip waveguides

Details Efficient light coupler from off-chip to on-chip waveguides Efficient light coupler from off-chip to on-chip waveguides

2008-03-11

2008-03-11

Font, Frank G. (Department: 2883)

Optical waveguides

Integrated optical circuit

C385S028000, C385S043000, C385S050000, C385S129000

Reexamination Certificate

active

10421640

ABSTRACT:
In an embodiment, light from a single mode light source may be deflected into a low index contrast (LIC) waveguide in an opto-electronic integrated circuit (OEIC) (or “opto-electronic chip”) by a 45 degree mirror. The mirror may be formed by polishing an edge of the die at a 45 degree angle and coating the polished edge with a metal layer. Light coupled into the LIC waveguide may then be transferred from the LIC waveguide to a high index contrast (HIC) waveguide by evanescent coupling.

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