Systems and methods for optical power window control
First Claim
1. An optical communication network, the network comprising:
- a transmitter coupled to a first communications network segment, the transmitter adapted to modulate an optical light signal based on one or more first radio frequency communication signals received from the first communications network and launch the modulated optical light signal;
a receiver coupled to a second communications network, the receiver adapted to receive the modular optical light signal, demodulate the modulated optical light signal into one or more second radio frequency communications signals, and output the one or more second radio frequency communications signals to the second communications network; and
at least one optical power attenuator that dynamically adjusts the attenuation of the modulated optical light signal based on one or more of an optical power level of the received modulated optical light signal and an optical power level of the launched modulated optical light signal.
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Accused Products
Abstract
Methods and systems for controlling optical power levels in an optical communications network are provided. In one embodiment, a system comprises means for demodulating one or more radio frequency communications signals from a modulated optical signal, wherein the means for demodulating measures an optical power level of the modulated optical signal; means for comparing the measured optical power level to one or more reference set points; means for transmitting a feedback signal, wherein the feedback signal is based on the difference between the measured optical power level and the one or more reference set points; and means for attenuating the modulated optical signal based on the feedback signal.
27 Citations
46 Claims
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1. An optical communication network, the network comprising:
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a transmitter coupled to a first communications network segment, the transmitter adapted to modulate an optical light signal based on one or more first radio frequency communication signals received from the first communications network and launch the modulated optical light signal;
a receiver coupled to a second communications network, the receiver adapted to receive the modular optical light signal, demodulate the modulated optical light signal into one or more second radio frequency communications signals, and output the one or more second radio frequency communications signals to the second communications network; and
at least one optical power attenuator that dynamically adjusts the attenuation of the modulated optical light signal based on one or more of an optical power level of the received modulated optical light signal and an optical power level of the launched modulated optical light signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A feedback system for controlling optical power levels, the system comprising:
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an optical receiver that receives a modulated optical light signal, demodulates the modulated optical light signal into one or more communications signals, and outputs the one or more communications signals to a communications network;
wherein the optical receiver further outputs a digital power level signal representing the optical power level of the received optical light signal;
a controller coupled to the optical receiver, wherein the controller receives the digital power level signal from the optical receiver and outputs an attenuation control signal based on the digital optical power level signal; and
at least one optical power attenuator that dynamically adjusts the attenuation of the modulated optical light signal based on the attenuation control signal. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. A feedback system for controlling optical power levels in a communications network, the system comprising:
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an optical transmitter that modulates an optical light signal based on one or more radio frequency communication signals received from a first communications network, launches the optical light signals, and outputs a digital power level signal representing the optical power level of the launched modulated optical light signal;
a controller coupled to the optical transmitter that receives the digital power level signal and outputs an attenuation control signal based on the digital power level signal; and
at least one optical power attenuator that dynamically adjusts the attenuation of the modulated optical light signal based on the attenuation control signal. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. An apparatus for controlling optical power levels in a communications network, the apparatus comprising:
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a controller coupled to an optical receiver, wherein the receiver receives a modulated optical light signal, demodulates the modulated optical light signal into one or more communications signals, and outputs the one or more communications signals;
wherein the optical receiver further outputs a digital power level signal representing the optical power level of the modulated optical light signal; and
wherein the controller receives the digital power level signal and outputs an attenuation control signal based on the digital power level signal. - View Dependent Claims (32, 33)
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34. A apparatus for controlling optical power levels in a communications network, the apparatus comprising:
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a controller coupled to an optical transmitter, wherein the optical transmitter modulates an optical light signal based on one or more radio frequency communication signals received from a first communications network, and launches the modulated optical light signals;
wherein the optical transmitter further outputs a digital optical power level signal representing the optical power level of the modulated optical light signal; and
wherein the controller receives the digital optical power level signal and outputs an attenuation control signal based on the digital power level signal. - View Dependent Claims (35, 36)
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37. A method for controlling optical power in an optical communications network, the method comprising:
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modulating optical signals with one or more radio frequency communication signals received from a first communications network segment;
launching the modulated optical signal on one or more optical media;
receiving the modulated optical signal at an optical receiver;
measuring optical power of one or more of a received optical power level of the modulated optical light and a launched optical power level of the modulated optical light signal;
generating an attenuation control signal based on the measured optical power; and
attenuating the modulated optical signal based on the attenuation control signal. - View Dependent Claims (38)
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39. A method for managing optical power levels in an optical communications network, the method comprising:
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receiving an optical signal;
measuring an optical power level of the optical signal;
comparing the measured optical power level to one or more reference set points;
transmitting a feedback signal based on the difference between the measured optical power level and the one or more reference set points; and
attenuating the optical signal based on the feedback signal.
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40. A computer-readable medium having computer-executable program instructions for a method for managing optical power levels in an optical communications network, the method comprising:
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comparing a measured optical power level of an optical signal to one or more reference set points; and
transmitting a feedback signal based on the difference between the measured optical power level and the one or more reference set points. - View Dependent Claims (41, 42, 43, 44)
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45. A system for controlling optical power levels in a communications network, the system comprising:
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means for demodulating one or more radio frequency communications signals from an modulated optical signal, wherein the means for demodulating measures an optical power level of the modulated optical signal;
means for comparing the measured optical power level to one or more reference set points;
means for transmitting a feedback signal based on the difference between the measured optical power level and the one or more reference set points; and
means for attenuating the modulated optical signal based on the feedback signal.
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46. A system for controlling optical power levels in a communications network, the system comprising:
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means for modulating an optical signal with one or more radio frequency signals, wherein the means for modulating measures an optical power level of the modulated optical signal;
means for comparing the measured optical power level to one or more reference set points;
means for transmitting a feedback signal based on the difference between the measured optical power level and the one or more reference set points; and
means for attenuating the modulated optical signal based on the feedback signal.
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Specification