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US20060127104 Control system for a polar optical transmitter  
A method of controlling a polar optical transmitter comprising a dual-branch Mach-Zehnder (MZ) modulator driven by a pair of independent electrical drive signals. A cost function is provided which...
US20100040241 HEALTHCARE INDUSTRY WIRELESS AUDIO SYSTEMS  
Healthcare industry wireless audio systems include a wireless signal transmitter. The wireless signal transmitter generates wireless signals along a first path and a second path. Wireless audio...
US20070145271 Quantum information conversion between matter and light representations  
Structures and methods allow: transfer of quantum information represented using the states of light to a representation using the states of matter systems; transfer of quantum information...
US20080138064 OPTICAL NETWORK TERMINAL AGENT  
A method is provided including the steps of monitoring at least one performance metric of at least one network component in an optical network system, determining whether the at least one network...
US20110280578 PASSIVE OPTICAL NETWORK, ACCESS METHOD THEREOF, OPTICAL NETWORK UNIT AND OPTICAL LINE TERMINATION  
A method for accessing a Passive Optical Network (PON) is disclosed. The method includes: obtaining a first distance parameter of an Optical Network Unit (ONU), where the first distance parameter...
US20060210283 TRANSMITTERS FOR INVERSELY DISPERSED OPTICAL SIGNALS  
Transmitters for generating inversely dispersed optical signals to counter chromatic dispersion in optical fibers carrying the optical signals are presented. The transmitters have optical pulse...
US20130039644 OPTICAL NETWORK APPARATUS  
There is provided an optical network apparatus included in an optical network in which alarm information including a type and a position of a generated failure is transferred, the optical network...
US20110123190 Connection Loss Scheme for Fiber Connections in Optical Communication System  
A method includes outputting an optical signal from an optical transmitter; causing the optical signal to propagate through equipment of an optical communication site and to loop back to an optical...
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...
US20050258976 Household digital automation control system  
The present invention provides a digital household automation control system, which utilizes a relay transmitter processing the RF signal emitted out from an actuating input apparatus in converting...
US20050259994 Optical transceiver module having improved printed circuit board  
An optical transceiver module includes a first Printed Circuit Board having a first function circuit connected with the electrical interface and a second Printed Circuit Board having a second...
US20140133858 Method and Apparatus of Managing Bandwidth Allocation for Upstream Transmission in a Unified Optical-Coaxial Network  
A method of allocating bandwidth in a network comprising receiving a GATE message allocating a transmission time window in an optical portion of the network to a coaxial network unit (CNU) in a...
US20130156428 System and Method for Impairment-Aware Routing and Wavelength Assignment in Wavelength Switched Optical Networks  
An apparatus comprising a path computation element (PCE) configured for at least partial impairment aware routing and wavelength assignment (RWA) and to communicate with a path computation client...
US20070122159 PASSIVE OPTICAL NETWORK MEDIA ACCESS CONTROLLER ASSISTED CLOCK RECOVERY  
A system, method, and computer readable medium for passive optical network media access controller assisted clock recovery which enables an optical receiver to recover a clock phase of an incoming...
US20090257742 Joint IP/optical layer restoration after a router failure  
A method and system for providing joint IP/Optical Layer restoration mechanisms for the IP over Optical Layer architecture, particularly for protecting against router failure within such...
US20090202253 Optically isolated analog audio circuits  
An Audio circuit configured to receive an analog audio signal. The audio circuit includes an optical isolator having a LED configured to emit light modulated by the analog audio signal over a...
US20080232819 Pon System and Optical Network Unit Connecting Method  
In a passive optical network system, upon detecting a connection with one of a plurality of optical network units at the time of performing autonomous ranging, an optical line termination requests...
US20060029389 Optical network terminal with low power hibernation  
The invention is directed to techniques for reducing power consumption by an optical network transmitter (ONT) in a passive optical network (PON). The techniques may be particularly useful in...
US20110270960 METHOD AND SYSTEM FOR ANNOUNCING TRAFFIC ENGINEERING PARAMETERS OF COMPOSITE TRANSPORT GROUPS  
An approach is provided for announcing aggregate characteristics of a composite transport group (CTG) for traffic engineering. Information specifying characteristics of a plurality of component...
US20130051788 PATH DISCOVERY IN A COMMUNICATIONS NETWORK  
The invention relates to discovering a path in a communications network. Embodiments of the invention disclose determining whether at least two server trail termination points (TTPs) of the path...
US20120189310 BANDWIDTH ADJUSTABLE BANDPASS FILTER  
An apparatus comprising a Mache-Zehnder interferometer. The Mache-Zehnder interferometer comprises: a 1×2 optical splitter having an optical input, a 2×2 optical coupler having first and second o...
US20120099867 WAVELENGTH MULTIPLEXING OPTICAL COMMUNICATION DEVICE AND OPTICAL DISPERSION COMPENSATION METHOD  
A wavelength multiplexing optical communication device having an optical dispersion-compensating function compensating for waveform variation of an optical signal due to optical dispersion of a...
US20120020668 Method And An Interconnecting Node For Use In An Access Network  
The invention relates to an interconnecting node for use in interconnecting a passive optical network (PON) and a copper wire xDSL access network, wherein said interconnecting node comprises an...
US20110211835 System and Method for Mitigating Polarization Hole Burning  
A system for mitigating the effects of polarization hole burning in an optical communication system. The system includes an optical input signal comprising one or more traffic channels, a...
US20140294390 METHOD AND APPARATUS FOR PROTECTING FIBER OPTIC DISTRIBUTION SYSTEMS  
A fiber optic network has alarmed fiber optic lines in the cables connecting a secured junction box to plural user lock boxes. An outgoing alarm line and return alarm line in each cable connect the...
US20130315604 MOBILE BI-DIRECTIONAL FREE-SPACE OPTICAL NETWORK  
The system provides a mobile, full bi-directional, free-space optical (FSO) network providing networkability and internet connectivity. Each mobile system has a FSO transceiver communicating via...
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...
US20080285979 HIGH-SPEED OPTICAL COMMUNICATION  
A high-speed optical communication system for transmitting and receiving an optical signal is disclosed. A contents receiver transmits previously given unique identification information by using a...
US20090022493 PON equipment capablel of displaying connection state and logical link identifier  
A passive optical network (PON) equipment capable of displaying a connection state and a logical link identifier (LLID) is provided, which aims at solving a problem that equipments in the...
US20140099102 SYSTEMS AND METHODS FOR STATISTICAL SHARING IN OPTICAL COMMUNICATIONS NETWORKS  
A method of statistical sharing in an optical communications network is disclosed. The method includes identifying a peak transmission rate and a base transmission rate for each of a plurality of...
US20110206374 System and Method for Demand Aggregation in Optical Networks Employing Shared Ring Protection  
In accordance with embodiments of the present disclosure, a method for demand aggregation is provided. The method may include routing demands in a ring network such that a length for each routed...
US20120123815 WAVELENGHT REGENERATION IN A NETWORK  
An optical network including a plurality of gateway nodes interconnected with a plurality of intermediate nodes with segments of fiber. The network includes a plurality of devices, such as...
US20110262135 METHOD AND APPARATUS FOR INCREASING OVERALL AGGREGATE CAPACITY OF A NETWORK  
Example embodiments of the present invention relate to increasing an aggregate capacity of a network without using a centralized switch fabric. A method and corresponding apparatus in an example...
US20070014570 Simplified remote interface device and method for determining a failure at an optical fiber link terminated with a remote interface device  
The invention relates to a remote interface device (12) for terminating a remote optical fiber link, with a network input (14), a network output (15), a customer input (17) and a customer output...
US20140079387 ADAPTIVE QUANTUM INFORMATION PROCESSING  
A method and system for adaptive quantum information processing can be provided by determining a state of a quantum channel governing an environment with a tomography module. Next a scope of the...
US20130343756 METHOD FOR DYNAMIC PACKET-OPTICAL SERVER NETWORK  
A method for reconfiguration of a Label Switched Path(s) (LSP) of a first client of a packet-optical transport network, the packet-optical transport network including a first LSR-user-plane unit, a...
US20120134664 JOINT SWITCHING METHOD FOR AN AGGREGATION NODE, AGGREGATION NODE AND SYSTEM  
A joint switching method for an aggregation node, an aggregation node, and an optical network protection system including an aggregation node are provided. By monitoring information transferred...
US20130202310 Modulation for coded light transmission  
Coded light has been proposed to enable advanced control of light sources and transmit information using light sources. Sequences of channel symbols to drive the light source are determined from...
US20120207467 Path Computation Element System and Method of Routing and Wavelength Assignment in a Wavelength Switched Optical Network  
The disclosure includes an apparatus comprising a path computation element (PCE) that manages the processes of routing in an optical network, wherein the PCE receives a path computation request and...
US20140010551 OPTICAL TRANSCEIVER WITH OPTICAL RECEIVER ELECTRICALLY ISOLATED FROM HOUSING AND OPTICAL TRANSMITTER WITH ENHANCED HEAT DISSIPATION TO HOUSING  
An optical transceiver that copes with both the enhanced heat dissipation from heat generating components and the electrical isolation of components processing faint signals from other components...
US20110064406 ASYMMETRICAL INTERLEAVER AND DEINTERLEAVER  
Asymmetrical interleavers and deinterleavers. In one example embodiment, an asymmetrical deinterleaver includes first, second, third, fourth, and fifth filter cells interleaved with first, second,...
US20120093505 METHOD AND SYSTEM FOR SERVICE-BASED REGULATION OF TRAFFIC FLOW TO CUSTOMER PREMISES DEVICES  
A method of regulating traffic flow to customer premises devices (CPDs) reachable via outside plant units (OPUs). The method comprises receiving first packets in a first traffic category via a...
US20120051752 BANDWIDTH ALLOCATOR USING A SHARED GRANT TO SCHEDULE ALLOCATION GRANTS AND A METHOD THEREFOR  
A bandwidth allocator for communicating with communication terminals by transmitting and receiving data packets over a line having its communication bandwidth divided into periods of time of a...
US20130330072 REDUCING COHERENT NOISE IN SINGLE FIBER TRANSCEIVERS  
A method includes monitoring, by a transceiver, a first wavelength corresponding to a transmitted optical signal. The method includes monitoring a second wavelength corresponding to a received...
US20140101709 Optical Fiber Management Bridge  
An improved optical fiber management bridge 100 can comprise an optical hinge 152 for an electronics communications device 112 which is especially useful for a broadband network 104. The...
US20060088321 Closed loop RZ-DPSK alignment for optical communications  
A method and system are provided for using a power spectral density of an output of a modulator to facilitate closed loop feedback for controlling alignment of a pulse with respect to information...
US20060115267 Non-preemptive scheduling in network elements  
A graph based on a data traffic matrix represents the occupancy of a set of virtual output queues to an optical crosspoint packet data switch. Edges in the graph are assigned to a matching in order...
US20130039666 Current-controlled CMOS logic family  
Various circuit techniques for implementing ultra high speed circuits use current-controlled CMOS (C3MOS) logic fabricated in conventional CMOS process technology. An entire family of logic...
US20140093247 Subsea Cable Termination Assembly, Subsea Connector and Method  
A subsea cable termination assembly for a subsea cable that includes an optical fiber for data transmission is provided. The subsea cable termination assembly includes a chamber that has a liquid...
US20130259486 WIRELESS COMMUNICATION DEVICE  
A wireless communication device includes a first antenna, a second antenna, a first light sensor adjacent to the first antenna, a second light sensor adjacent to the second antenna, a controller,...