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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...
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...
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...
US20150086202 ENHANCED ROUTING AND WAVELENGTH ASSIGNMENT TECHNIQUES FOR REDUCING WAVELENGTH CONTINUITY BLOCKING  
Embodiments of the disclosure are directed to optimizing routing and wavelength assignment in a network. An embodiment determines a routing assignment for a network, wherein the routing assignment...
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...
US20150037036 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,...
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...
US20120213508 NETWORK ELEMENT CLOCK SYNCHRONIZATION SYSTEMS AND METHODS USING OPTICAL TRANSPORT NETWORK DELAY MEASUREMENT  
The present disclosure provides Network Element (NE) clock synchronization using Optical Transport Network (OTN) delay measurement systems and methods such as described in ITU-T G.709 (12/2009)...
US20130202286 Ethernet Passive Optical Network Over Coaxial (EPOC) Protection Switching  
Protection switching methods, systems, and architectures are provided for hybrid Ethernet Passive Optical Network (EPON)-Ethernet Passive Optical Network Over Coaxial (EPOC) networks. Protection...
US20100067919 ILLUMINATING LIGHT COMMUNICATION SYSTEM AND TRANSMITTING DEVICE FOR ILLUMINATING LIGHT COMMUNICATION  
The present invention is directed to providing anew illuminating light communication system capable of transmitting large-capacity data at high speed. A transmitting device 1 emits light modulated...
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...
US20080124082 OPTICAL POWER EQUALIZER FOR PASSIVE OPTICAL NETWORK  
A device capable of equalizing optical powers of optical signals in a passive optical network, the device comprising a first optical coupler for receiving optical signals having different optical...
US20100040375 Wireless High Capacity Sub-Sea Communications System  
A subsea monitoring system.
US20090060509 CUSTOMER PREMISES OPTICAL NETWORK UNIT AND OPTICAL TRANSMISSION SYSTEM  
A customer premises optical network unit (ONU) comprises: an electrical/optical transform unit 6 to be connected with an optical transmission path 2 at a central office side for performing an...
US20120275792 System and Method for Avoiding Upstream Interference in RF-Over-Glass Network  
A headend communications device communicates via a network to downstream network elements, such as cable modems coupled behind optical network units, and allocates and grants timeslots for upstream...
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...
US20110116791 INSTANTANEOUS INTERRUPTION MONITORING SYSTEM AND INSTANTANEOUS INTERRUPTION MONITORING PROGRAM  
Provided are an instantaneous interruption monitoring system and an instantaneous interruption monitoring program for a computer incorporating a non-real time operating system (OS). Measurement...
US20140233944 OPTICAL NETWORK TERMINAL (ONT) WAVELENGTH TUNING AND CORREPSONDING CALIBRATION PROCEDURE  
Tuning an optical network unit (ONU) to an appropriate communication wavelength may be performed by initiating an activation procedure responsive to receiving a wavelength configuration message,...
US20080298812 NETWORK REPEATER, REPEATER CONTROLLING METHOD AND PROGRAM PRODUCT  
A bridge controller, which controls relay between terminals including emission units and addresses assigned to the terminals, acquires coordinates of a light-received element in an light receiving...
US20060098828 NETWORK PHONE ADAPTER CAPABLE OF UTILIZING A NORMAL PHONE TO SERVE AS A MICROPHONE AND A SPEAKER  
A phone adaptor capable of utilizing a normal phone to serve as a speaker and a microphone of an electronic device. The phone adaptor includes a speaker driving circuit electrically connected to...
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 of...
US20140226984 TRANSPARENT CLOCK FOR PRECISION TIMING DISTRIBUTION  
One or more devices of a network having asymmetric delay are configured to participate in time synchronization protocol sessions in which a client device synchronizes its local clock to a master...
US20080205892 Underwater Optical Communications System and Method  
An underwater optical communications system and method particularly suitable for use in communications with automated equipment. A series of light beacons are dispersed throughout a communications...
US20090232499 Passive optical network communication method and system  
A passive optical network communication system transmits an optical time-division multiplexed signal from a central office through a passive optical coupler to a number of subscribers, and...
US20070212080 Infrared Receiving Unit and Infrared Headphone/Hearing Aid  
There is provided an infrared receiving unit which has an infrared receiver for receiving infrared signals and a transmitter search facility for carrying out an infrared transmitter search. Such an...
US20120163817 CONNECTION MANAGEMENT SERVER, OLT, ONU/ONT AND THE SYSTEM AND METHOD FOR PROVIDING ETHERNET-BASED PTL-PON  
Provided is a passive optical network (PON) providing system of an Ethernet-based packet transport layer (PTL) scheme, including: a connection management server to manage a unified PTL connection...
US20130108267 Methods for Expanding Cross-Connect Capacity in a ROADM Optical Network  
A reconfigurable optical add-drop multiplexer (ROADM) transport network comprising a plurality of optical fan-out devices and a first plurality and a second plurality of demultiplexers for locally...
US20110076016 Methods for Expanding Cross-Connect Capacity in a ROADM Optical Network  
A reconfigurable optical add-drop multiplexer (ROADM) transport network comprising a plurality of optical fan-out devices and a first plurality and a second plurality of demultiplexers for locally...
US20100296809 METHOD AND APPARATUS FOR SERVICE PROTECTION  
A method and apparatus for realizing service protection are provided. The method includes the following steps: determining paths corresponding to automatic protection switching (APS)/protection...
US20140010548 SECTORIZATION IN DISTRIBUTED ANTENNA SYSTEMS, AND RELATED COMPONENTS AND METHODS  
Distributed antenna systems in which the distributed antenna systems can be sectorized. Radio bands distributed by the distributed antenna systems are allocated to one or more sectors. The antenna...
US20110206373 STATION SIDE DEVICE AND OPTICAL COMMUNICATION SYSTEM  
In multicast transfer in a PON system, in order to reduce the possibility that an OLT 2 has failed in getting some report messages from terminal devices 6 because of lack of its processing...