Optical waveguides – Polarization without modulation
Reexamination Certificate
2007-05-15
2007-05-15
Font, Frank G. (Department: 2883)
Optical waveguides
Polarization without modulation
C385S014000, C385S129000, C385S130000, C385S131000
Reexamination Certificate
active
10549826
ABSTRACT:
The invention proposes an optimized solution of a frequency/polarization splifter that requires no adjustment after production and can be produced entirely by moulding. The polarized-wave splitter comprises various components, including a polarization splitter1coupled to two filters3and5via transition regions2and4. The overall dimensions of the various components are such that the transfer characteristics of the splitter are better than the characteristics resulting from the sum of the characteristics of the components constituting the splitter.
REFERENCES:
patent: 3777286 (1973-12-01), Cramm et al.
patent: 5256990 (1993-10-01), Young
patent: 1296404 (2003-03-01), None
patent: 2135116 (1972-12-01), None
Search Report dated May 28, 2004.
Chambelin Philippe
Fourdeux Henri
Louzir Ali
Cromarty Brian J.
El-Shammaa Mary
Font Frank G.
Laks Joseph J.
Shedd Robert D.
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