Wavelength dispersion compensating filter

Details Wavelength dispersion compensating filter Wavelength dispersion compensating filter

2005-01-25

2005-01-25

Kim, Ellen E. (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S024000, C385S032000

Reexamination Certificate

active

06847759

ABSTRACT:
A 2-input, 2-output optical circuit is constructed by serially connecting two or more Mach-Zehnder interferometers possessing a structure in which two waveguides are embraced by two couplers. One output and one input of the two 2-input, 2-output optical circuit are connected by an optical propagation path to thereby construct a loop circuit. The waveguides of the Mach-Zehnder interferometers as well as the loop circuit are each provided with an optical path-length adjustment portion, thereby constructing a wavelength dispersion compensating filter.

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