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US20130272711 Light-Tree Provisioning for Multicast Traffic in Flexible Optical WDM Networks  
Hybrid application of the generic evolution and simulated annealing methods are used to solve routing, wavelength assignment, and spectrum allocation sub-problems of a light-tree establishment...
US20110280579 ENERGY-EFFICIENT AND FAULT-TOLERANT RESONATOR-BASED MODULATION AND WAVELENGTH DIVISION MULTIPLEXING SYSTEMS  
Systems and methods are provided for modulating, channels in dense wavelength division multiplexing (“DWDM”) systems. In one aspect, a modulation and wavelength division multiplexing system...
US20120106966 TRANSPONDER POOL SIZING IN HIGHLY DYNAMIC TRANSLUCENT WDM OPTICAL NETWORKS  
A system and method for sizing transponder pools in a dynamic wavelength division multiplexing optical network having selected nodes designated to have a shared transponder pool is presented. The...
US20130084071 Manual ROADM front panel configuration  
With Reconfigurable Optical Add Drop Modules (ROADMs) gaining popularity in the fiber optic market, many network designers are seeing the benefits of this technology. But the industry standard has...
US20120294617 Virtual Network Control Method and System Based on Fluctuations  
A virtual network control method, for adaptively controlling a topology of a virtual network formed on a physical network in response to environmental changes in the virtual network, is provided...
US20120269510 DIGITAL SUBCARRIER OPTICAL NETWORK UTILIZING DIGITAL SUBCARRIER CROSS-CONNECTS WITH INCREASED ENERGY EFFICIENCY  
The present invention provides reduced power dissipation and other benefits at the optical transport network layer by utilizing a digital subcarrier optical network comprising multiple digital...
US20140147120 Grooming Multicast Traffic in Flexible Optical Wavelength Division Multiplexing WDM Networks  
The present invention is directed to a solution for grooming multicast traffic in flexible optical wavelength division multiplexing WDM networks. The invention includes a solution for grooming...
US20110268444 Passive Optical Network System  
A system for providing bi-directional RF services over a point-to-multipoint Passive Optical Network (PON). A system that can transport upstream RF signals generated by devices such as a set top...
US20140308040 OPTICAL PATH COMPUTATION BASED ON A REACHABILITY MATRIX  
Methods and systems for optical path computation based on a reachability matrix may rely on matrix multiplication to determine a number and respective network locations of regenerators for...
US20120163821 MULTI-WAVELENGTH OPTICAL SOURCE GENERATOR  
Provided is a multi-wavelength optical source generator. The multi-wavelength optical source generator includes: a gain part generating a plurality of lights through a plurality of gain...
US20110236022 NETWORK MANAGEMENT SYSTEM  
A network including nodes configured to provide auto-discovery and those that do not are provided in a network. The nodes that do not provide auto-discovery may be provided as end points or...
US20090028548 Operation and construction method of network using multi-rate interface panel  
The present invention provides a network at a low cost with a reduced number of components and simple management among networks anticipated to become more and more complicated, the network being...
US20130251360 Method And Apparatus For Displaying A Three Dimensional Representation Of Available Wavelength Paths Across A Network  
Due to demand for more network bandwidth, a need for multi-user optical network topologies has, and will continue to, increase. A method or corresponding apparatus in embodiments of the present...
US20150139653 PRIORITIZED OPTICAL ARBITRATION SYSTEMS AND METHODS  
According to an example, nodes request access to a shared resource in a prioritized optical arbitration system. Each node attempts to extract a wavelength corresponding to a priority level...
US20150086205 Open Shortest Path First Extensions in Support of Wavelength Switched Optical Networks  
A network component comprising a generalized multiprotocol label switching (GMPLS) control plane controller configured to implement a method comprising transmitting a message to at least one...
US20110135309 WAVELENGTH DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK (WDM-PON)  
Provided is an Optical Line Terminal (OLT). The OLT may include a first Wavelength division multiplexer/demultiplexer (WDM MUX/DeMUX) to perform a wavelength demultiplexing on seed light received...
US20050058453 Optical network architecture for simultaneous transport of analog video signals and ethernet data  
Methods and apparatus are described for simultaneous transport of analog video signals and Ethernet data on an optical fiber. A method includes propagating a downstream signal on an optical signal...
US20120251117 Method for Traffic Grooming, Wavelength Assignment and Spectrum Allocation  
A method includes determining a line rate selection for a flexible optical wavelength-division-multiplexing WDM network, determining a traffic routing in said network, and determining...
US20140023372 METHOD AND APPARATUS FOR DYNAMIC WAVELENGTH ALLOCATION IN WAVELENGTH SWITCHED OPTICAL NETWORKS  
A method of allocating a wavelength to a lightpath in a wavelength multiplex for use in an optical network comprising nodes connected by optical links, wherein the wavelength multiplex is adapted...
US20120328296 Optical Spectrum Recovery  
The invention is directed to systems and methods for re-arranging optical spectrum utilization so that unallocated portions of the spectrum may be made contiguous. Rearrangement of optical...
US20130330079 Remote Optical Demarcation Point  
The invention is directed to apparatus, systems and methods enabling a service provider to establish an optical demarcation point located at or within equipment controlled at least in part by a...
US20150244493 CHANGING THE SPECTRAL POSITION OF A LIGHTPATH  
A method of changing the spectral position of a lightpath between a source node and a destination node of an optical network. The optical network uses a flexible grid for spectral allocation and...
US20140270779 WAVELENGTH SELECTION AND CONFIGURATION METHOD FOR MULTI-WAVELENGTH OPTICAL COMMUNICATION SYSTEM  
Provided is an OLT including a wavelength splitter that splits all upstream optical signals with different wavelengths received from at least one ONU according to wavelength, at least one receiver...
US20120087665 METHOD AND APPARATUS FOR PROVIDING A ROUTE RECOMMENDATION  
A method and apparatus for providing a route recommendation are disclosed. For example, the method obtains network topology information, wherein the network topology information comprises a...
US20150104176 OPERATION AND STABILIZATION OF MOD-MUX WDM TRANSMITTERS BASED ON SILICON MICRORINGS  
A transmitter comprising a plurality of modulator and multiplexer (Mod-MUX) units, each Mod-MUX unit operating at an optical wavelength different from the other Mod-MUX units. The transmitter can...
US20130028605 SERIALLY-DISTRIBUTED ACCESS POINTS IN A COMMUNICATION NETWORK  
Serially-distributed access points in a communication network include a cable including network communication wires, a plurality of access points connected in series with the network communication...
US20090220235 THREE-ARM DQPSK MODULATOR  
A modulator is disclosed that includes three arms between a splitter portion and a coupler portion. The modulator typically requires at most a π/2 phase shift between constellation points....
US20100028000 MODULE WITH BOTH ANALOG AND DIGITAL RECEIVING-TRANSMITTING  
A module with both analog and digital receiving-transmitting is provided, which has an optical signal transceiving terminal, an optical signal receiving terminal, a wavelength division unit, a...
US20090269065 Setting Up A Circuit In A Network  
In particular embodiments, setting up a circuit in a network includes establishing by control plane logic that planning pre-conditions for planning a circuit have been satisfied, and initiating...
US20100226650 Assignment of channel colors in optical networks  
A model is provided for optimizing an optical network wherein single links carry multiple signals by using multiple color channels. The routes in the optimized network minimize mid-route color...
US20140133861 OPPORTUNISTIC BANDWIDTH STEALING IN OPTICAL NETWORKS  
In a multi-chip module (MCM), integrated circuits are coupled by optical waveguides that convey optical signals. The optical waveguides provide dedicated point-to-point optical links between all...
US20110110665 ANTI-REFLECTION COATED QUANTUM DOT RESONATOR FOR WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION  
An AR coated quantum dot resonator implementing a wavelength independent light source to resolve a drawback of degradation in the property of a high temperature optical output due to AR coating of...
US20100061728 Object Modeling Scheme For Next Generation Network Wavelength Division Multiplexing  
An apparatus comprising a plurality of entities associated with a network element (NE), wherein the entities are associated with each other in a hierarchical architecture, wherein each entity is...
US20140072306 OPTICAL SERVICE CHANNEL SYSTEMS AND METHODS OVER HIGH LOSS LINKS  
Optical service channel (OSC) systems and methods over high loss links are described utilizing redundant telemetry channels. A first telemetry channel provides a low bandwidth communication...
US20110280580 TECHNIQUE FOR TRAFFIC RECOVERY IN MULTILAYER COMMUNICATION NETWORKS  
A method for recovery of a traffic flow being conducted via a communication line in a multi-layer communication network, the traffic flow comprising a Guaranteed traffic portion GT and a Best...
US20140099118 SYSTEMS AND METHODS FOR ROUTING AND WAVELENGTH ASSIGNMENT FOR NETWORK VIRTUALIZATION  
A method for routing and wavelength assignment for optical network resources required for a plurality of virtual network requests includes receiving the plurality of virtual network requests. The...
US20130170836 OPTICAL TRANSCEIVER AND WAVELENGTH INITIALIZATION METHOD USING OPTICAL TRANSCEIVER  
An optical transceiver, and a wavelength initialization method using the optical transceiver are provided. The optical transceiver may include an optical transmitter to transmit an upstream signal...
US20120263454 Crosstalk-Free High-Dimensional Constellations for Dual-Polarized Nonlinear Fiber-Optic Communications  
A method reduces time-varying polarization crosstalk due to XPolM by transmitting multi-dimensional orthogonal constellations. Three variants of crosstalk-free constellations are provided:...
US20140314417 RECONFIGURATION OF AN OPTICAL CONNECTION INFRASTRUCTURE  
An optical connection infrastructure has optical conduits between first devices and at least one second device. Dynamic reconfiguration of the optical connection infrastructure can be performed...
US20140037293 HIGH SPEED OPTICAL TRANSCEIVER MODULE  
Disclosed herein is a high speed optical transceiver module, which makes it possible to prevent a wavelength shift and thus to achieve low power and high efficiency by forming a hole with a...
US20090245800 OPTICAL MODULE IMPLEMENTED WITH TRI-PLEXER OPTICAL SUBASSEMBLY  
An optical module that implements with a tri-plexer assembly is disclosed. The tri-plexer module comprises a bi-directional module for transmitting digital input and output signals and an analogue...
US20140248056 WAVELENGTH REAL TIME DISPLAY ON THE EQUIPMENT FOR WDM OPTICAL NETWORKING SYSTEMS WITH WAVELENGTH TUNABLE CAPABILITY  
A wavelength tunable device for use in a wavelength division multiplexing (WDM) system comprising a display device for displaying at least one operating wavelength of the wavelength tunable...
US20110013910 Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability  
A wavelength tunable device for use in a wavelength division multiplexing (WDM) system comprising a display device for displaying at least one operating wavelength of the wavelength tunable...
US20150043918 Double Capacity Pluggable Optics  
The methods, systems, and apparatuses described in this disclosure enable the use of pluggable optics such that two outgoing connections or two incoming connections can support the use of dual...
US20090067842 OPTICAL PULSE REGENERATION BASED ON PULSE TEMPORAL SHAPING  
An optical pulse regeneration unit comprising means for broadening the temporal width and flattening the center portion of an optical pulse and slicing means for slicing the pulse at a point in...
US20090232502 VISIBLE LIGHT COMMUNICATION SYSTEM AND OPTICAL WIRELESS LAN DEVICE  
A visible light communication system and an optical wireless LAN device are provided, which are capable of establishing a 10 Mbit/s LAN connection by means of an LED lighting unit which integrally...
US20140248057 WDM Mux/DeMux on cable and methods of making the same  
Techniques for WDM Mux/DeMux on cable and methods of making the same are described According to one aspect of the present invention, a unit designed to provide multiplexing or demultiplexing...
US20090324228 ONT TEST UNIT  
An Optical Network Terminal (ONT) simulator is provided. The ONT simulator includes one or more partially functional ONTs coupled to an Optical Line Termination (OLT) and an ONT/Optical network...
US20140205296 METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK  
The example embodiments presented herein are directed towards an Optical Network Element, ONE, node (14), and corresponding method therein, for establishing multiple spectral routing in an optical...
US20100098422 OPTICAL COMMUNICATION APPARATUS AND METHOD OF CONTROLLING SEMICONDUCTOR OPTICAL AMPLIFIER  
An optical communication system and method thereof include outputting a wavelength division multiplexed (WDM) light to a transmission line, the WDM light being multiplexed from a plurality of...