Wavelength division multiplexing coupler with loss element

Details Wavelength division multiplexing coupler with loss element Wavelength division multiplexing coupler with loss element

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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