Method and apparatus for optical node construction using software programmable roadms
OwnerMark E. Boduch, Kimon Papakosinventors
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Abstract
Example embodiments of the present invention relate to a software programmable reconfigurable optical add drop multiplexer (ROADM) comprising of a plurality of wavelength switches and a plurality of waveguide switches, wherein when the plurality of waveguide switches are set to a first switch configuration, the software programmable ROADM provides n degrees of an n-degree optical node, and wherein when the waveguide switches are set to a second switch configuration, the software programmable ROADM provides k degrees of an m-degree optical node.
Claims22
A software programmable reconfigurable optical add drop multiplexer (ROADM) comprising:
- a plurality of wavelength switches;
- and
- a plurality of waveguide switches,
- wherein when the plurality of waveguide switches are set to a first switch configuration, the software programmable ROADM provides n degrees of an n-degree optical node, and wherein when the waveguide switches are set to a second switch configuration, the software programmable ROADM provides k degrees of an m-degree optical node, wherein n>1, and wherein m>n, and wherein k>0, and wherein the second switch configuration is different from the first switch configuration.
A software programmable reconfigurable optical add drop multiplexer (ROADM) comprising:
- a plurality of wavelength switches;
- and
- a plurality of waveguide switches,
- wherein when the plurality of waveguide switches are set to a first switch configuration, the software programmable ROADM provides n degrees and q directionless add/drop ports of an optical node, and wherein when the plurality of waveguide switches are set to a second switch configuration the software programmable ROADM provides n+j degrees and q−j directionless add/drop ports of an optical node, wherein q>0, and wherein j>0.
A method of constructing an optical node having n number of optical degrees comprising:
- configuring a set of waveguide switches to a first switch configuration on a software programmable reconfigurable optical add drop multiplexer (ROADM) if n<i;
- and
- configuring the set of waveguide switches to a second switch configuration on the software programmable ROADM if n>i.
Dependencies are inferred from the claim text.