In-line grating device for forward coupling light

Details In-line grating device for forward coupling light In-line grating device for forward coupling light

1996-10-08

1998-07-07

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

385 24, 385 50, G02B 634

Patent

active

057781192

ABSTRACT:
A device for coupling out of or into a transmission system which carries light signals is provided. A first optical fiber having a Bragg grating therein has its cladding optically coupled to a second optical fiber having a Bragg grating therein so as to allow at least a predetermined wavelength of light incident upon the first Bragg grating to be forward coupled from the core to the cladding and then to the core region of the second optical waveguide via the second Bragg grating.

REFERENCES:
patent: 5430817 (1995-07-01), Vengsarkar
patent: 5457758 (1995-10-01), Snitzer
patent: 5457760 (1995-10-01), Mizrahi
patent: 5550940 (1996-08-01), Vengsarkar et al.
patent: 5574807 (1996-11-01), Snitzer
patent: 5633965 (1997-05-01), Bricheno et al.
patent: 5638473 (1997-06-01), Byron

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