H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 14/02 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2162771
An MxO multiplex/demultiplex device is disclosed. An MxN coupler is connected to an NXO coupler by phase shifting means. The phase shifting means provide N paths between the couplers, each path having an optical path length different from every other optical path length. The coupling region of the MxN coupler must provide for substantially uniform division of light power among the coupler branches when M are the launch ports. Similarly, the coupling region of the NxO coupler must provide for substantially uniform division of light power among the coupler branches when O are the launch ports. A preferred embodiment includes two fused waveguide fiber couplers with dissimilar waveguide fibers used as the phase shifting means.
Keck Donald Bruce
Miller William James
Nolan Daniel Aloysius
Corning Incorporated
Gowling Lafleur Henderson Llp
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