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US20120177369 |
Automatic Power Adjustment System and Method for Optical Network System
An apparatus and method for automatic power adjustment of an optical network system are provided by the present invention. In the automatic power adjustment system which includes a plurality of... |
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US20140147114 |
System and Method for SIEPON Energy Saving Statistics
A system and method for Service Interoperability in Ethernet Passive Optical Network (SIEPON) energy saving statistics. Energy saving statistics can be collected from a plurality of subordinate... |
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US20110052188 |
METHODS AND SYSTEMS FOR OPTIMAL LAUNCH POWER COMPUTATION IN MESHED OPTICAL NETWORKS
The present invention provides methods and systems for efficiently computing optimal optical launch powers for meshed optical networks. The present invention can be utilized to find optimal launch... |
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US20120230684 |
Burst Power Measurements Using Averaged Power Measurement
An apparatus comprising an individual optical power level calculation (IOPLC) module and a transceiver coupled to the IOPLC module and configured to communicate with a plurality of optical network... |
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US20140241715 |
METHOD AND CONTROLLER FOR COMMISSIONING WAVELENGTH DIVISION MULTIPLEXING OPTICAL NETWORK DURING CAPACITY EXPANSION
The present invention discloses a method and a controller for commissioning a wave division multiplexing optical network during capacity expansion. The method includes: calculating, according to a... |
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US20140248051 |
Power Save Mode for Lightpaths
A method for communicating optically between nodes of an optical network, including forming, between a first node and a second node of the network, a set of lightpaths, each of the set of... |
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US20130071111 |
APPARATUS AND METHOD FOR MANAGING DYNAMIC BANDWIDTH ALLOCATION TO SUPPORT LOW-POWER MODE IN PASSIVE OPTICAL NETWORK (PON)
An apparatus and method for managing a dynamic bandwidth allocation to support a low-power mode, in a passive optical network (PON) are provided. The apparatus may include a power saving mode... |
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US20110188853 |
WAVELENGTH DIVISION MULTIPLEX TERMINAL WITH AUTOMATIC CONFIGURATION AND SUPERVISION OF SWITCH CONNECTIONS
A wavelength division multiplexer terminal with a multiplexer arrangement with a first switching matrix, and a demultiplexer arrangement with a second switching matrix allows flexibility for... |
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US20080025721 |
OPTICAL NETWORK TERMINAL POWER FAILURE MANAGEMENT
Optical network terminal (ONT) power failure management. A system for permitting a customer of a telecommunication company, for whom fiber to the premises (FTTP) has been installed, to control... |
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US20070196105 |
Optical network unit and control method thereof
An optical network unit (ONU) includes an optical receiving module, an energy transforming module, an analog-to-digital transforming module and an adjusting module. The optical receiving module... |
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US20130108261 |
Circuit for Monitoring the Receiver of an Optical Transceiver and the Method for Monitoring Burst Mode Optical Power Thereof
A circuit for monitoring an optical receiver or transceiver, architectures, circuits, and systems including the same, and a method for monitoring received optical power are disclosed. The receiver... |
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US20120093503 |
DYNAMICALLY OPTIMIZING A DECISION THRESHOLD VOLTAGE IN AN OPTICAL TRANSPONDER
A transponder having a dynamic remapping circuit remaps a value of decision threshold voltage Vdtc and a value of optical power RXP to a reference voltage Vref to minimize the bit error rate BER... |
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US20140112662 |
MONITORING ENERGY CONSUMPTION IN OPTICAL ACCESS NETWORKS
An optical access network comprises optical network units connected to a node. A monitoring unit determines information indicative of energy consumption at the optical network unit over a period... |
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US20120045201 |
MONITORING ENERGY CONSUMPTION IN OPTICAL ACCESS NETWORKS
An optical access network (5) comprises optical network units (10) connected to a node (40). A monitoring unit (35) determines information indicative of energy consumption at the optical network... |
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US20090310962 |
Service based power and battery backup selection in a multiple dwelling unit
Heavy users of a Multi-Dwelling Unit Optical Network Terminal (MDU ONT) continuing to use services, such as telephone, data and video, when the MDU ONT is operating from backup power unfairly use... |
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US20110243555 |
CHANNEL POWER CONTROL IN AN OPTICAL LINK
Methods and apparatus for control of variable optical attenuators are described. A method for control of a variable optical attenuator located in an optical link comprising a plurality of optical... |
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US20110305453 |
METHOD AND ARRANGEMENT FOR ADAPTIVE DISPERSION COMPENSATION
A received optical signal is coherently demodulated and converted into electrical complex samples, which are dispersion compensated in a compensation filter. A control circuit calculates... |
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US20080056713 |
Efficient Use of Trusted Third Parties for Additional Content-Sharing Security
Network elements are identified as being connected to optical nodes by instructing two network elements in a spectrum group of the CMTS to transmit at frequencies f1 and f2, respectively.... |
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US20090245786 |
OPTICAL COMMUNICATION SYSTEM, METHOD OF MEASURING OPTICAL TRANSMISSION LINE IN THE OPTICAL COMMUNICATION SYSTEM, TRANSMITTING STATION, AND RECEIVING STATION
According to halt of a Raman pumping light source, a transmitting light power of a first light which is subject to receive a Raman gain is controlled to increase. In this state, a first... |
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US20100098413 |
PERFORMANCE MONITORING IN PASSIVE OPTICAL NETWORKS
One embodiment provides a system for performance monitoring in a passive optic network (PON). The system includes an optical line terminal (OLT) and an optical network unit (ONU). The OLT includes... |
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US20130058648 |
Variable Rate Optical Transmitter Based on All-Optical OFDM Super-Channel Technology
The present invention is directed to a method including determining an appropriate power level for a phase modulator for an optimum number of subcarriers; and applying the determined appropriate... |
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US20140321848 |
OPTICAL TRANSMITTER AND METHOD FOR CONTROLLING OPERATION STATE OF OPTICAL TRANSMITTER
An optical transmitter includes: a ring waveguide; an electrode which is formed near the ring waveguide and is provided with a signal; a first waveguide optically coupled to the ring waveguide; a... |
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US20150200728 |
SCHEME FOR REMOTE CONTROL OF THE OUTPUT POWER OF A TRANSMITTER IN A SMART SFP TRANSCEIVER
A scheme is described for remote control of the output power of a transmitter in a smart SFP (or SFP+, or XFP) duplex (or BiDi, or SWBiDi) transceiver in a communication system using an operating... |
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US20120039602 |
Method and Apparatus for Detecting Rogue Optical Network Unit in Passive Optical Network
A method performed in an optical line terminal (OLT) in a passive optical network (PON) for detecting a rogue optical network unit (ONU) operating among a plurality of ONUs in the PON. The OLT... |
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US20140355982 |
Optical Network as a Single Managed Entity
An example embodiment involves a method for adjusting an operating parameter of a node in an optical network which comprises a plurality of nodes, the method comprising the steps of: measuring at... |
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US20150010303 |
WAVEFORM RECONSTRUCTION DEVICE, WAVEFORM RECONSTRUCTION SYSTEM, AND WAVEFORM RECONSTRUCTION METHOD
A waveform reconstruction device (140) includes: a phase-spectrum calculation unit (143) which (i) simulates, for each intensity of an input optical signal assumed to have a given phase spectrum,... |
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US20110044685 |
Optical network unit having automatic shutdown
An optical network unit useful in a passive optical network has capability for automatic shutdown upon detection of a malfunction, thereby protecting the integrity of upstream data transmitted in... |
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US20090214204 |
Optical network monitoring using amplifier modeling
Example embodiments include a method for monitoring an optical network. The method provides received network data to a network model, which determines if there is an inconsistency within the... |
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US20110129217 |
Transmitter Disabling Device
An optical transmitter disabling device for controlling an optical transmitter, particularly of an optical network termination node of a passive optical network comprising a monitoring module and... |
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US20110311223 |
WAVEFORM RECONSTRUCTION DEVICE, WAVEFORM RECONSTRUCTION SYSTEM, AND WAVEFORM RECONSTRUCTION METHOD
Provided is a waveform reconstruction device capable of easily reconstructing an accurate time waveform of an optical signal without using an ultrafast time gate or a reference light source. A... |
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US20140153921 |
METHOD AND APPARATUS FOR DETECTING UNCHARACTERISTIC POWER LEVEL CHANGES OF AN OPTICAL SIGNAL
A monitoring apparatus for detecting uncharacteristic short-term power level changes of an optical signal transmitted through an optical fiber, said monitoring apparatus comprising a power level... |
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US20090279886 |
Burst-mode data recovery for multi-gigabit passive optical networks
In a TDMA optical network, a clock data recovery module uses signal oversampling and preamble correlation together with enhanced performance modules to extract additional data from the upstream... |
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US20140112660 |
SYSTEMS AND METHODS FOR CHANNEL ADDITIONS OVER MULTIPLE CASCADED OPTICAL NODES
A method, an optical node, and an optical network include a power controller configured to bring channels in-service in parallel over multiple cascaded optical nodes quickly, efficiently, and in a... |
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US20130336650 |
Enhanced Received Signal Power Indicators for Optical Receivers and Transceivers, and Methods of Making and Using the Same
An optical transceiver and/or optical network, and methods of monitoring optical transceivers, may be useful for increasing the dynamic range and/or determining the received signal strength and/or... |
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US20130202293 |
Systems and Methods for Ethernet Passive Optical Network Over Coaxial (EPOC) Power Saving Modes
Systems and methods for Ethernet Passive Optical Network Over Coaxial (EPOC) power saving modes are provided. The EPOC power savings modes allow an EPOC coaxial network unit (CNU) to enter a sleep... |
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US20140376907 |
MITIGATION OF OPTICAL SIGNAL TO NOISE RATIO DEGRADATION ARISING FROM POLARIZATION DEPENDENT LOSS
Methods and systems for mitigating degradation of an optical signal-to-noise ratio (OSNR) induced by polarization dependent loss (PDL) in an optical network include determining an increase in... |
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US20100260497 |
METHOD OF SAVING POWER IN OPTICAL ACCESS NETWORK
Provided is a method of reducing power consumption of an optical access network (OAN) as much as possible by configuring an optical line terminal (OLT) and optical network terminals (ONTs) in the... |
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US20140186032 |
OPTICAL BENCH APPARATUS HAVING INTEGRATED MONITOR PHOTODETECTORS AND METHOD FOR MONITORING OPTICAL POWER USING SAME
Optical bench structure provides a platform for integrating optical transmitters, particularly Vertical-Cavity Surface-Emitting Lasers (VCSELs), with monitor photodetectors. A substrate with... |
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US20110076014 |
Transmission Network Having an Optical Receiver that Utilizes Dual Power Pins and a Single Status Pin to Lower Power Consumption, Lower Manufacturing Cost, and Increase Transmission Efficiency
A communication network is provided for interconnecting a network of digital systems, such as multimedia devices. Each node of the communication network may include a receiver and a transmitter.... |
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US20130084065 |
OPTICAL TRANSMITTER AND WAVEFORM COMPENSATION METHOD
An optical transmitter includes an EA modulator, a photocurrent detection circuit, a modulator drive circuit, and a CPU. The EA modulator converts an input signal into an optical signal and... |
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US20150117858 |
SYSTEMS AND METHODS FOR CAPACITY CHANGES IN DWDM NETWORKS INCLUDING FLEXIBLE SPECTRUM SYSTEMS
A method, a controller, and an optical section include performing an analysis to determine an amount of power offset on any in-service channels in an optical section due to a capacity change with... |
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US20080304824 |
OPTICAL LINK QUALITY MONITORING IN A COMPUTER NETWORK
In one embodiment, a local network device collects local optical power information for at least one of either a local optical transmit interface and a local optical receive interface of the local... |
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US20110164874 |
Method for optimally adjusting a decision level of a receiver and device thereof
The present invention discloses a method and a device for optimally adjusting the decision level of a receiver, wherein the method includes: monitoring optical power received by an optical... |
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US20110091207 |
Power Monitoring Photodiode Array with Integrated, Current Sourced Reference Photodiode
A photodiode array includes a plurality of monitoring photodiodes capable operating in a voltage mode configuration each able to provide a voltage indicating an intensity of an incident light.... |
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US20150171957 |
OPTICAL RECEIVER SENSITIVITY SYSTEM
A system includes a detector array having a plurality of level detectors to monitor an optical input signal. Each level detector of the detector array operates in a different operating range, and... |
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US20080304825 |
Methods, Systems, and Computer-Readable Media for Providing Notification of a Power Failure
Methods, systems, and computer-readable media provide for notifying an optical line termination (OLT) of a power failure. According to embodiments, a method for notifying an OLT of a power failure... |
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US20110222850 |
SELF TEST OF A DUAL POLARIZATION TRANSMITTER
A method of testing a dual-polarization optical transmitter comprising a pair of polarization transmitters for respectively generating first and second polarization signals, and a polarization... |
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US20130071109 |
Automatic Gain Control for High-Speed Coherent Optical Receivers
Feed-forward and feedback strategies are used to control local oscillator power and transimpedance amplifier gain in a high-speed coherent optical receiver. |
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US20110170863 |
PHASE MODULATED SIGNAL RECEIVER
A phase modulated signal receiver includes an operation part and a control part. An input power of a received light signal is measured based on current monitored by a monitor circuit. The... |
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US20130251365 |
OPTICAL POWER MONITOR, OPTICAL POWER CONTROL SYSTEM AND OPTICAL POWER MONITOR METHOD
An optical power monitor that detects optical power of respective wavelengths of a signal light in a wavelength multiplexing system, includes: a light emitter configured to superimpose a frequency... |