Method and apparatus for construction of compact optical nodes using wavelength equalizing arrays
First Claim
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1. A reconfigurable optical add/drop multiplexer, comprising:
- a first optical degree;
a second optical degree;
a common port having only one optical input and only one optical output, used to connect to a plurality of directionless add/drop ports; and
a plurality of wavelength equalizers, each with only one optical input and only one optical output,wherein the plurality of wavelength equalizers are used to select wavelengths for the first optical degree and for the second optical degree and for the common port.
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Abstract
Example embodiments of the present invention relate to An optical node comprising of at least two optical degrees; a plurality of directionless add/drop ports; and at least one wavelength equalizing array, wherein the at least one wavelength equalizing array is used to both select wavelengths for each degree, and to perform directionless steering for the add/drop ports.
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Citations
21 Claims
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1. A reconfigurable optical add/drop multiplexer, comprising:
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a first optical degree; a second optical degree; a common port having only one optical input and only one optical output, used to connect to a plurality of directionless add/drop ports; and a plurality of wavelength equalizers, each with only one optical input and only one optical output, wherein the plurality of wavelength equalizers are used to select wavelengths for the first optical degree and for the second optical degree and for the common port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A reconfigurable optical add/drop multiplexer comprising:
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a first line interface; a second line interface; a common port having only one optical input and only one optical output, used to connect to a plurality of directionless add/drop ports; a first wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the second line interface to the first line interface; a second wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the first line interface to the second line interface; a third wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the common port to the first line interface; and a fourth wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the common port to the second line interface. - View Dependent Claims (12, 13)
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14. A reconfigurable optical add/drop multiplexer comprising:
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a first line interface; a second line interface; a common port having only one optical input and only one optical output, used to connect to a plurality of directionless add/drop ports; a first wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the second line interface to the first line interface; a second wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the first line interface to the second line interface; a third wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the first line interface to the common port; and a fourth wavelength equalizer with only one optical input and only one optical output, used to pass and block individual wavelengths from the second line interface to the common port. - View Dependent Claims (15, 16, 17)
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18. The optical node of claim H, further A reconfigurable optical add/drop multiplexer comprising:
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a first line interface; a second line interface; a first express port; a second express port; a first wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the second line interface to the first line interface; a second wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the first line interface to the second line interface; a third wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the first express port to the first line interface; a fourth wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the first express port to the second line interface; a fifth wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the second express port to the first line interface; and a sixth wavelength equalizer with one optical input and one optical output, used to pass and block individual wavelengths from the second express port to the second line interface.
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19. An optical node comprising:
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a first reconfigurable optical add/drop multiplexer circuit pack comprising a first line interface, a second line interface, a first express port, a first wavelength equalizer with one optical input and one optical output used to pass and block individual wavelengths from the second line interface to the first line interface, a second wavelength equalizer with one optical input and one optical output used to pass and block individual wavelengths from the first line interface to the second line interface, a third wavelength equalizer with one optical input and one optical output used to pass and block individual wavelengths from the first express port to the first line interface, and a fourth wavelength equalizer with one optical input and one optical output used to pass and block individual wavelengths from the first express port to the second line interface; and a second reconfigurable optical add/drop multiplexer circuit pack comprising;
a third line interface and a second express port,wherein the first express port is optically connected to the second express port. - View Dependent Claims (20, 21)
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Specification