Tunable optical waveguide filters with optimized lengths and...

Details Tunable optical waveguide filters with optimized lengths and... Tunable optical waveguide filters with optimized lengths and...

2005-02-08

2005-02-08

Williams, Joseph (Department: 2879)

Optical waveguides

Temporal optical modulation within an optical waveguide

C359S578000

Reexamination Certificate

active

06853756

ABSTRACT:
A generalized tunable optical filter with interconnected processing devices, such as unequal arm Mach-Zehnder interferometric devices and ring resonator devices, is described. Each of the processing elements is characterized by a parametric length Δlk=nkΔlfwhere nkis an integer greater than 30 and Δlfis the longest length common to all of the processing elements. The optical filter is tuned by the setting of actuators in the processing elements with each setting corresponding to a predetermined filter response, such as for chromatic dispersion compensation and WDM add/drop multiplexer applications. To determine the design variables of the optical filter, such as the coupling angles θ and parametric lengths Δlkfor the processing elements, a methodology of determining these variables from the desired application is also described.

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