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U.S. Department of Energy
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Integrated optical XY coupler

Patent ·
OSTI ID:870944

An integrated optical XY coupler having two converging input waveguide arms meeting in a central section and a central output waveguide arm and two diverging flanking output waveguide arms emanating from the central section. In-phase light from the input arms constructively interfers in the central section to produce a single mode output in the central output arm with the rest of the light being collected in the flanking output arms. Crosstalk between devices on a substrate is minimized by this collection of the out-of-phase light by the flanking output arms of the XY coupler.

Research Organization:
AT & T CORP
DOE Contract Number:
AC04-76DP00789
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
US 5627929
OSTI ID:
870944
Country of Publication:
United States
Language:
English