Optical waveguides – With optical coupler – Particular coupling structure
Patent
1991-08-15
1992-12-29
Lee, John D.
Optical waveguides
With optical coupler
Particular coupling structure
385 50, 385 27, G02B 626
Patent
active
051757788
ABSTRACT:
An integrated optic waveguide coupler having an interaction length throughout which two waveguides lie parallel and in contact with each other, in which the interaction length incorporates at least one straight section and, adjoining the straight section, there is provided at least one additional interaction length having a predetermined curvature. The curvature and the length of the interaction length together minimize wavelength sensitivity.
REFERENCES:
patent: 4431260 (1984-02-01), Palmer
patent: 4859018 (1989-08-01), O'Sullivan et al.
patent: 4998793 (1991-03-01), Henry et al.
Nourshargh Noorallah
Shipley Simon P.
Barns S. W.
GEC--Marconi Limited
Lee John D.
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