Ultra-narrow bandpass filter

Details Ultra-narrow bandpass filter Ultra-narrow bandpass filter

2007-08-14

2007-08-14

Font, Frank G. (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling function

C385S014000, C385S032000, C385S039000

Reexamination Certificate

active

11460979

ABSTRACT:
A passband filter exhibiting ultra-narrow characteristics comprising a cascaded pair of Mach-Zehnder (MZ) structures each including a plurality of resonators optically coupled to each of the arms of the MZ structures.

REFERENCES:
patent: 6748142 (2004-06-01), Madsen

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