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US20140093246 METHOD OF CONFIGURING AN OPTICAL PATH, A PATH COMPUTATION ENGINE AND AN OPTICAL COMMUNICATIONS NETWORK NODE  
A method of configuring an optical path, comprising: selecting a path from a first to a second node in an optical communications network; identifying each wavelength that may be used continuously...
US20060002711 Filtering digital diagnostics information in an optical transceiver prior to reporting to host  
An optical transceiver configured to perform filtering of digital diagnostics prior to the filtered results being made accessible to a host computing system (hereinafter referred to simply as a...
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 device....
US20110262147 SMALL FORM FACTOR PLUGGABLE TRANSCEIVER MODULE - SDI  
The present invention relates to small form factor pluggable (SFP) transceiver modules. The SFP transceiver module of the present invention comprises a cage corresponding to SFP dimensions, at...
US20130216225 2-Step-Optimization Procedure for Routing and Wavelength Assignment with Combined Dedicated Shared Protections in Multi-Cable Multi-Fiber Optical WDM Networks  
The inventive 2-step-optimization procedure that addresses the generalized routing and wavelength assignment problem with variable number of combined 1+1 dedicated and shared connections for the...
US20140010529 Method for Detecting and Excluding Failed Optical Network Termination  
Disclosed herein is a method for detecting and excluding a failed optical network termination (ONT) in a passive optical network (PON) system in which an Optical Line Termination (OLT) is connected...
US20140133843 OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT FOR SUPPORTING SLEEP MODE THEREOF  
An optical line terminal is provided which includes an upward band allocating unit configured to send an upward bandwidth allocation map to an optical network unit and to determine a sleep mode of...
US20120177371 MULTIPLE STAR WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORKS USING A WAVELENGTH ASSIGNMENT METHOD  
The present invention discloses a multiple star wavelength division multiplexing passive optical network system using a wavelength assignment method. In a multiple star wavelength division...
US20110211827 SYSTEM AND METHOD FOR PERFORMING IN-SERVICE OPTICAL FIBER NETWORK CERTIFICATION  
A system and method for performing an in-service optical time domain reflectometry test, an in-service insertion loss test, and an in-service optical frequency domain reflectometry test using a...
US20070166051 Repeater, repeating method, repeating program, and network attack defending system  
A repeater device receives from a first repeater device, which is adjacent to the repeater device on a network, a signature for controlling passage of a packet through the repeater device and...
US20130266305 OPTICAL-LAYER MULTIPATH PROTECTION FOR OPTICAL NETWORK  
A multi-path provisioning scheme is provided to ensure full protection while reducing or minimizing resource overbuild. A signal to be provisioned is divided at a source node into a plurality of...
US20090060502 SERVICE HANDOVER METHOD, OPTICAL NETWORK SYSTEM, HANDOVER EQUIPMENT AND PE EQUIPMENT IN AN OVPN  
An optical network system disclosed in an embodiment of the present invention contains a PE and a handover equipment located between the PE and a CE. The PE is adapted to provide optical network...
US20080159737 TRANSCEIVERS FOR TESTING NETWORKS AND ADAPTING TO DEVICE CHANGES  
Test transceivers are disclosed for testing optical networks. The test transceivers generate one or more errors on a network in a specific, reproducible way, thereby enabling a tester to easily and...
US20110064405 FLEXIBLE AND INTEGRATED FRAME STRUCTURE DESIGN FOR SUPPORTING MULTIPLE TOPOLOGIES WITH VISIBLE LIGHT COMMUNICATION  
For use in a visible light communication (VLC) network, a system and method for communicating a plurality of medium access control (MAC) frames. The method includes providing a single frame...
US20050031357 Controlling the extinction ratio in optical networks  
A method and system for controlling extinction ratio in an optical network is disclosed. A first optical transceiver sends modulated light to a second optical transceiver and a digital measurement...
US20080317473 FREE-SPACE OPTICAL COMMUNICATION DEVICE  
A free-space optical communication device includes a photodetector element, which receives a communication signal containing multiple infrared light signals respectively representing different...
US20120294611 Dynamic Bandwidth Allocation for Congestion Management in PON Channel Aggregation  
A method and protocol for dynamic upstream bandwidth allocation to prevent congestion in an aggregation system consisting of multiple PON OLT devices that share a common Service Network Interface...
US20110229136 LONG REACH OPTICAL NETWORK  
An optical network includes a first optical network for carrying a plurality of optical channels in an optical fiber, wherein each of the plurality of optical channels comprise a discrete...
US20140023364 ESTABLISHING CONNECTIONS IN A MULTI-RATE OPTICAL NETWORK  
An optical transmission network comprises nodes which support a plurality of different wavelength channels and support at least a first bitrate traffic type and the second bitrate traffic type on...
US20120063781 SYSTEM AND METHOD FOR REDUCING POLARIZATION DEPENDENT LOSS CROSS-TALK EFFECTS  
In accordance with the present disclosure a system for reducing polarization dependent loss (PDL) of an optical signal comprises a delay module coupled to one or more PDL inducing network elements...
US20130084062 HITLESS PROTECTION FOR TRANSMITTING TRAFFIC IN HIGH-SPEED SWITCHING SYSTEM  
A system to provide hitless protection includes a primary line card with a synchronous interface, the primary line card processing traffic with cells and encapsulating the traffic into synchronous...
US20120099858 HIGHLY SCALABLE OSPF ROUTING IN SUPPORT OF FULL MESH OPTICAL NETWORKS  
A method for enabling Open Shortest Path First (OSPF) routing in a transport network. The method comprises defining a network segment template; instantiating a respective network segment template...
US20080219660 Communicating Information  
The present invention relates to the communication of information where the information is introduced at a plurality of spaced apart locations onto an optical waveguide. The following steps are...
US20140119745 OPTICAL MODULATING APPARATUS AND OPTICAL TRANSMITTER  
An optical modulating apparatus includes driver that is mounted on a printed circuit board such that a signal electrode pad and a ground electrode pad of the driver are exposed in an opening of the...
US20130308943 OPTICAL TRANSPORT NETWORK CLOCK TRANSIENT SUPPRESSION SYSTEMS AND METHODS  
An Optical Transport Network (OTN) method, an OTN switching node method, and an OTN node utilize a “double wrapper” configuration to eliminate clock transients in OTN networks. That is, the sys...
US20090269084 LIGHT RECEIVING CIRCUIT AND DIGITAL SYSTEM  
A light receiving circuit (114) includes a light inputting circuit (113) which converts one-system optical signal to be outputted from an optical transmission path (101) to an electrical signal and...
US20130294773 G.709 Based Multi-Level Multiplexing Routing Control Method and Gateway Network Element  
A G.709 based multi-stage multiplexing routing control method and a gateway network element. The method comprises: a gateway network element broadcasting multi-stage multiplexing capability of the...
US20130216215 Optical Channel Intelligently Shared Protection Ring  
An optical ring network has one or more working wavelengths and multiple protection wavelengths adapted to support the working wavelength(s). Routing tables may be used in network nodes to assign...
US20130343759 REPEATER FIBER-COAX UNITS  
An optical-coax unit (OCU) includes an optical PHY to receive and transmit optical signals and a coax PHY to receive and transmit coax signals. The OCU also includes a media-independent interface...
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...
US20140169783 FAULT LOCALIZATION USING TANDEM CONNECTION MONITORS IN OPTICAL TRANSPORT NETWORK  
An Optical Transport Network (OTN) fault localization method, an iterative OTN fault localization method, and an OTN network use OTN tandem connection monitors operating in a “Monitor” mode to pro...
US20110305455 Dynamic Scheduling Using PON Bandwidth Allocation On Lower Aggregation Levels  
The present invention relates transmission network, which involves Passive Optical Network and thereto connected units, e.g. Optical Network Units. It is an object of the present invention to...
US20110058813 Ethernet Passive Optical Network Over Coaxial (EPOC)  
Embodiments of the present invention exploit the existing capabilities of the Ethernet Passive Optical Network (EPON) MAC layer, designed for fiber optics communications, to provide a low cost MAC...
US20110097082 APPARATUS, SYSTEMS, AND METHODS RELATED TO IMPROVED OPTICAL COMMUNICATION MODULES  
In one embodiment, a system includes a first cable interface module, a second cable interface module, and an interface card. The first cable interface module includes a signal recovery module. The...
US20140193160 OPTICAL MODULE  
An optical module includes: a first circuit board on which a connector socket is mounted, an optical transceiver module that is electrically connected to the first circuit board via the connector...
US20060263099 System and method for chirped light source  
A system and method for providing chirped light for an optical network. The system includes a light source configured to provide a light. The system additionally includes a driving signal source...
US20060147215 Host printed circuit board with multiple optical transceivers  
An optical transceiver host computing system (hereinafter simply referred as the “host”) printed circuit board has multiple optical transceivers directly mounted to it. Each optical transceiver is ...
US20120134678 SYSTEM FOR PROVIDING PHYSICALLY SEPARATED COMPUTE AND I/O RESOURCES IN THE DATACENTER TO ENABLE SPACE AND POWER SAVINGS  
An embodiment of a system and method disaggregate I/O resources from a server's compute resources, such as CPU and memory, by moving the server's local I/O devices to a remote location apart from...
US20110274427 DYNAMIC TRAIL TERMINATION POINT CREATION FOR OPTICAL TRANSPORT NETWORKS  
The present disclosure provides dynamic service provisioning by creating embedded Optical Transport Network (OTN) ports on the fly during mesh restoration or circuit provisioning. These dynamically...
US20120076495 Method and Apparatus for Supporting Differentiated Performance for Multiple Categories of Packets in a Passive Optical Network  
Embodiments of an apparatus including a user network interface configured to receive from a network a packet to be transmitted upstream over a PON are provided herein. The packet is marked with a...
US20080080855 OPTICAL PULSE GENERATOR AND OPTICAL PULSE TESTER  
An optical pulse generator includes a light emitting element that emits an optical pulse, and a driver. The driver is configured to apply a pulse driving current to the light emitting element to...
US20140153934 OPTICAL MODULATOR AND OPTICAL TRANSMITTER  
An optical modulator includes a Mach-Zehnder optical waveguide that includes a pair of parallel waveguides, and a two-input-one-output optical coupler that couples light output from the parallel...
US20130259472 METHOD AND NETWORK NODE FOR CONFIGURING A NETWORK FOR OPTIMIZED TRANSPORT OF PACKET TRAFFIC  
In order to configure a network for optimized transport of packet data traffic, a first packet node determines whether a traffic volume to be forwarded to a remote second packet node exceeds a...
US20130142507 PDL COMPENSATOR OPTICAL DEVICE, AND PDL COMPENSATION METHOD  
A PDL compensation technique is provided that reduces the number of and the number of types of the PDL compensators even if it is uncertain to determine which of the two polarization principal axes...
US20070053695 FREE SPACE OPTICS ALIGNMENT METHOD AND APPARATUS  
A novel free space optics transceiver is disclosed comprising at least one light source, at least one photodetector, corresponding positioning means that can independently adjust the position of...
US20130163981 SIGNALLING IN OPTICAL TRANSMISSION NETWORKS  
A connection-oriented optical network (2) comprises nodes (10) and optical links (5) between nodes. Each node (10) has a power control unit (60) for controlling an optical amplifier (43) at the...
US20140126898 BI-DIRECTIONAL RING NETWORK HAVING MINIMUM SPARE BANDWIDTH ALLOCATION AND CORRESPONDING CONNECTION ADMISSION CONTROL  
The present invention provides for a method for reserving spare bandwidth for a link in a communication network including a plurality of links. The method provides for monitoring the volume of...
US20140044430 SCALABLE OPTICAL BROADCAST INTERCONNECT  
A modular interconnect includes an mn-by-mn fully connected, direct broadcast, point-to-point, all-to-all interconnect fabric, wherein the mn-by-mn fully connected, direct broadcast,...
US20070206188 Cyclops a 4-dimensional planetary scanning laser imaging telescope  
Similar to a laser copier and fiber optics this system scans planetary objects in deep space this 940 mm invisible laser system is programmable multitasking and moves at light speed to its...
US20130336658 SPECTRUM EFFICIENT OPTICAL TRANSPORT SYSTEM WITH SUPERCHANNELS  
A method, performed by a computer device, may include determining that an available spectrum, associated with an optically switched light path, has been allocated for one or more superchannels and...