Optical waveguides – With optical coupler – Particular coupling function
Reexamination Certificate
2005-05-03
2005-05-03
Kang, Juliana K. (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling function
C385S037000, C385S045000
Reexamination Certificate
active
06888981
ABSTRACT:
A method and system for adjusting power at output ports of a wavelength division multiplexing (WDM) coupler. A loss element may be placed at one or more of the output ports of the WDM coupler. The loss element may have a filter characteristic that matches the temperature sensitivity coefficient of the WDM coupler. The filter characteristic may reject power at one of the two output ports as a function of temperature. As a result, the loss element may balance the power at the output ports of the WDM coupler despite temperature variations.
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Blake James
Liu Ren-Young
Honeywell International , Inc.
Kang Juliana K.
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