Current tuned Mach-Zehnder optical attenuator

Optical waveguides – Directional optical modulation within an optical waveguide – Electro-optic

Reexamination Certificate

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C385S002000, C385S131000

Reexamination Certificate

active

06882758

ABSTRACT:
A current tuned optical attenuator includes a Mach-Zehnder interferometer that relies on the creation of free carriers to create a phase difference in an optical signals along two waveguide arms.

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