Arrayed waveguide grading with optical input and output...

Details Arrayed waveguide grading with optical input and output... Arrayed waveguide grading with optical input and output...

2005-04-19

2005-04-19

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Input/output coupler

C385S024000, C385S031000, C385S044000, C385S046000, C398S084000, C398S087000

Reexamination Certificate

active

06882779

ABSTRACT:
A waveguide device has an input waveguide, a plurality of output waveguides, a channel waveguide array, an input slab waveguide, and an output slab waveguide. The output slab waveguide connects an output end of the channel waveguide array to the output waveguide, and has optical input/output characteristics set to given ratios for the output waveguides with respect to the input waveguides. The waveguide device is capable of adjusting signal levels output from the respective waveguides without the need for circuit parts for compensating for loss differences and also the need for a process of highly accurately attaching parts.

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Japanese Office Action dated Jan. 27, 2004 with a partial English translation.
Japanese Office Action dated Nov. 4, 2003 with a partial English translation.

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