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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...
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,...
US20110176805 TECHNIQUE FOR SELECTIVELY CHANGING DISPERSION IN OPTICAL COMMUNICATION CHANNELS  
A reconfigurable wavelength selective dispersion compensation device RWSDCD for selective compensation of dispersion in optical channels having different wavelengths. The RWSDCD comprises a...
US20130322882 Method and Apparatus of Building a Coaxial Convergence Layer in Ethernet Passive Optical Network (PON) over Coaxial Network (EPoC)  
An apparatus comprising a data framer comprising a physical layer protocol stack comprising a coax convergence layer, a coax framing layer next to the convergence layer, wherein the coax framing...
US20110249974 METHOD AND APPARATUS FOR REGULATING SERVICE OF OPTICAL SYNCHRONOUS DIGITAL HIERARCHY NETWORK  
The present invention discloses a method and an apparatus for adjusting a service of optical synchronous digital hierarchy network, and the method comprises: at first configuring the input...
US20110235635 INTERNET PROTOCOL MULTICAST ON PASSIVE OPTICAL NETWORKS  
A method for implementing multicast via a passive optical network (PON) may include receiving Internet group multicast protocol (IGMP) messages from a customer device. Multicast information...
US20050117916 Digital optical receiving module, and a method for monitoring the signal quality of a transmitted, modulated optical signal  
A digital optical receiving module including: an optical input, a first digital electrical output, an optoelectronic transducer device which converts a modulated optical signal, which is applied to...
US20110135310 Channel Power Management in a Branched Optical Communication System  
Channel power management may be achieved in a branched optical communication system such that uniform loading is provided across branch channels on a branch drop path without passing information...
US20100014857 Method of mapping OPUke into OTN frames  
The present invention discloses a method of mapping Optical Payload Unit (OPU) k (k=1, 2, 3 or any positive integer) Ethernet signals (E) into Optical Transport Network (OTN) frames for 10 Gigabit...
US20120155859 DETERMINING METROPOLITAN OPTICAL TRANSPORT NETWORK ARCHITECTURES OPTIMIZED FOR LONG TERM EVOLUTION (LTE) NETWORKS  
A device receives Long Term Evolution (LTE) architecture information, Internet protocol (IP) network architecture information, and transport network information, and determines traffic patterns of...
US20050002613 LED device  
An LED device including an LED and an optical transmitter both disposed lateral to one another on a common circuit board, the optical transmitter including a light input surface arranged to receive...
US20080240726 Phase coded non-return-to-zero optical transmitter  
Embodiments of the present invention provide a method and apparatus for producing a phase coded non-return-to-zero (PC-NRZ) optical signal. The method includes providing an input optical signal;...
US20110107405 METHOD FOR THE TEMPORARY PERSONALIZATION OF A COMMUNICATION DEVICE  
The invention relates to a method for the temporary personalization of a communication device (1). After producing a communication connection (4) between the communication device (1) and an...
US20140270777 WIDE BANDGAP MATRIX SWITCHER, AMPLIFIER AND OSCILLATOR  
An electronic device comprising an optical gate, an electrical input an electrical output and a wide bandgap material positioned between the electrical input and the electrical output to control an...
US20130148978 CHIP IDENTIFICATION PADS FOR IDENTIFICATION OF INTEGRATED CIRCUITS IN AN ASSEMBLY  
Chip identification pads for identification of integrated circuits in an assembly. In one example embodiment, an integrated circuit (IC) assembly includes a controller, a plurality of ICs, a shared...
US20130163985 1:N Sparing Of Router Resources At Geographically Dispersed Locations  
Systems and methods are described that that dynamically configure high-speed data link lightpaths between access routers and backbone routers at geographically dispersed locations to reassign...
US20110033183 1:N sparing of router resources at geographically dispersed locations  
Systems and methods are described that that dynamically configure high-speed data link lightpaths between access routers and backbone routers at geographically dispersed locations to reassign...
US20140029942 OPTICAL TERMINATING APPARATUS FOR OPTICAL PATH NETWORK  
An optical signal terminating apparatus for an optical path network includes: a variable filter selecting an optical signal of a predetermined wavelength path making up any one of a plurality of...