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Infinera Corporation
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Infinera Corporation patents


Recent patent applications related to Infinera Corporation. Infinera Corporation is listed as an Agent/Assignee. Note: Infinera Corporation may have other listings under different names/spellings. We're not affiliated with Infinera Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Infinera Corporation-related inventors


System and method to add alien wavelength channels to optical line system

Systems, methods, and devices for adding an alien or native wavelength optical signal to a fiber optic line. A portion of a spectrum of the fiber optic line corresponding to the optical signal is blocked with a wavelength selective switch (WSS). The portion of the spectrum is gradually unblocked until... Infinera Corporation

Passband abstraction layer

A node in an optical network may include a wavelength selective switch (WSS) and a processor. The wavelength selective switch may have a plurality of input ports and a plurality of output ports for routing and/or power-controlling of optical slices. The wavelength selective switch may have a plurality of control... Infinera Corporation

Transport segment oam routing mechanisms

Systems, methods, and devices for determining a property of, or isolating a fault in, a transport segment. A packet portion test packet can be transmitted over a packet portion of a transport segment. Packet portion results can be received in response to the packet portion test packet. A transport portion... Infinera Corporation

Method and system for signaling defects in a network element with optical fabric

Embodiments include methods and apparatuses for providing at least one signaling indication of a super-channel by a power controller in a Wavelength Division Multiplexing (WDM) system. The power controller may receive a service provisioning and a lock state from a network management entity. The power controller may receive, from an... Infinera Corporation

Heuristic constraint driven optical channel protection

Embodiments herein include methods and apparatuses for providing optical channel protection by a switching controller in an optical networking system. The switching controller may receive, from a light module, a digital fault status message that indicates whether a digital frame demodulated from an optical signal include a fault. The switching... Infinera Corporation

End point mapping service to assist transport segment routing

Methods, devices, and systems for mapping transport segment labels to packet network endpoints using a mapping server. In some implementations, an end point address in an edge domain is received from an edge router, a mapping of one of the end point address to a transport segment label is received... Infinera Corporation

Versioning system for network states in a software-defined network

A versioning system for network state of a network includes: a server, configured to execute a versioning controller, the versioning controller being configured to communicate with a plurality of data plane devices of the network and store a plurality of network states in a local non-transitory memory corresponding to the... Infinera Corporation

Systems, apparatus, and methods for efficient space to time conversion of otu multiplexed signal

Methods and apparatuses for data transformation are disclosed. An exemplary apparatus includes a first memory, a second memory, a cross-bar switch communicatively coupled between the first memory and the second memory, and a lookup table that specifies one or more memory addresses of the first memory to read out to... Infinera Corporation

Systems, apparatus, and methods for packetized clocks

Systems, apparatus, and methods for packetized clocks may include a packet interface to carry the rate of a client to a sigma-delta modulator that generates a clock at the required rate inside the chip itself there by removing the need for off-chip analog PLLs. The packetized clock may include a... Infinera Corporation

System and adaptive traffic engineering based on predicted traffic demand

Systems and methods for adaptive and automated traffic engineering of data transport services may include learning the demand between devices and data paths based on application workloads, prediction of traffic demand and paths based on the workload history, provisioning and management of data paths (i.e. network links) based on the... Infinera Corporation

Asynchronous bias control for an optical modulator using a multiple tone detection technique with phase correction

In an asynchronous optical modulation system, a drive circuit may generate a plurality of dither tones in accordance with a predetermined dither frequency ratio. Based on the components of the dither frequency ratio, the optical modulation system may be configured to determine a feedback signal magnitude component that is independent... Infinera Corporation

Systems, apparatus, and methods for segment routing of optical signals

A packet optical network may include a packet optical gateway node that is configured to advertise a segment label to other nodes in the network where the segment label is used by a source node in place of a conventional segment routing label when the source node generates the list... Infinera Corporation

Laser arrays comprising compact lasers with extended tunability

Consistent with the present disclosure, a compact laser with extended tunability (CLET) is provided that includes multiple segments or sections, at least one of which is curved, bent or non-collinear with other segments, so that the CLET has a compact form factor either as a singular laser or when integrated... Infinera Corporation

System and virtual network topologies and vpn in multi-layer networks

Systems and methods for a multi-layer network to achieve network resource isolation among clients using the same server network, such as a VPN in a multi-layered network and interaction within the node, may include interaction between a server layer (e.g. L0 Photonic network) and the client layer (e.g. L1 network)... Infinera Corporation

Compact lasers with extended tunability

Consistent with the present disclosure, a compact laser with extended tunability (CLET) is provided that includes multiple segments or sections, at least one of which is curved, bent or non-collinear with other segments, so that the CLET has a compact form factor either as a singular laser or when integrated... Infinera Corporation

Photonic integrated circuit package

Consistent with the present disclosure, a coherent receiver PIC may be provided having waveguides that may be routed in a substantially U-shaped bend to feed both an incoming signal and a local oscillator signal into a 90-degree optical hybrid circuit, which may include a multi-mode interference (MMI) device. As a... Infinera Corporation

Photonic integrated circuit package

Methods, systems, and apparatus, including a photonic integrated circuit package, including a photonic integrated circuit chip, including multiple electrodes configured to receive the electrical signal, where at least one characteristics of a segment of the traveling wave active optical element is changed based on the electrical signal received by a... Infinera Corporation

Photonic integrated circuit package

Methods, systems, and apparatus, including a photonic integrated circuit package, including a photonic integrated circuit chip, including a lumped active optical element; an electrode configured to receive an electrical signal, where at least one characteristics of the lumped active optical element is changed based on the electrical signal received by... Infinera Corporation

Photonic integrated circuit package

Methods, systems, and apparatus, including a photonic integrated circuit package, including a photonic integrated circuit chip, including an active optical element; an electrode configured to receive an electrical signal; a ground electrode; and a bond contact electrically coupled to the electrode; and an ASIC chip including circuitry configured to provide... Infinera Corporation

Tunable waveguide devices

Methods, systems, and apparatus, including a laser including a layer having first and second regions, the first region including a void; a mirror section provided on the layer, the mirror section including a waveguide core, at least part of the waveguide core is provided over at least a portion of... Infinera Corporation

Photonic integrated circuit

Methods, systems, and apparatus, including an optical receiver including an optical source, including a substrate; a laser provided on the substrate, the laser having first and second sides and outputting first light from the first side and second light from the second side, the first light output from the first... Infinera Corporation

Optical communication system

A transmitter is provided that transmits data in either a “quasi-DP-BPSK” (“QDP”) mode or in a DP-QPSK mode. In the QDP mode, data bits are transmitted as changes in phase between first and second phase states along a first axis or as changes in phase between third and fourth phase... Infinera Corporation

Optimized star-8qam performance for binary encoding

Consistent with an aspect of the present disclosure, optical signals are transmitted that are modulated in accordance with an 8QAM modulation format. The optical signals carry symbols of data and may be represented by a constellation in the IQ plane that includes four inner points that are symmetrically arranged about... Infinera Corporation

Photonic integrated circuit

Methods, systems, and apparatus, including an optical receiver including a laser including a gain section; and a first tunable reflector configured to output a reference signal; a first coupler formed over the substrate; a shutter variable optical attenuator formed over the substrate, the shutter variable optical attenuator including an input... Infinera Corporation

Systems and methods of time slot allocation for shared mesh protection on bundled links

Systems and methods for time slot allocation of time slots for bundled links in a shared mesh GMPLS for protect paths with different of COS may include time slot allocation divided into multiple phases with each phase having some qualification criterion to go to next phase or exit if the... Infinera Corporation

Systems and methods for provisioning ethernet services

A centralized network administrator may automatically provision an Ethernet circuit between network elements by storing and managing circuit data (managed objects) in one of the network elements (master node) and synchronizing the circuit data among the network nodes in the Ethernet circuit path. In addition, multiple network administrators may provision... Infinera Corporation

Systems and methods for coupling a fiber to a polarization sensitive photonic integrated circuit

The integrated network element offers an efficient fiber-chip coupling of multiple outputs of a polarization sensitive photonic integrated circuit (PIC) using a programmable mirror co-packaged with the PIC. Efficient fiber-chip coupling requires precise and active alignment of all free-space components. These constraints can be reduced by using a programmable mirror... Infinera Corporation

Systems and methods for multilayer peering

A software defined network, in accordance with some examples of the disclosure, may be used to optimizing traffic across a multi-layer inter-exchange for applications like automated private peering by incorporating packet switching along with OTN and/or optical switching into a converged system. Participants in private peering may have ports into... Infinera Corporation

Photonic integrated circuit including compact lasers with extended tunability

Consistent with the present disclosure, a compact laser with extended tunability (CLET) is provided that includes multiple segments or sections, at least one of which is curved, bent or non-collinear with other segments, so that the CLET has a compact form factor either as a singular laser or when integrated... Infinera Corporation

Photonic integrated circuit including compact lasers with extended tunability

Consistent with the present disclosure, a compact laser with extended tunability (CLET) is provided that includes multiple segments or sections, at least one of which is curved, bent or non-collinear with other segments, so that the CLET has a compact form factor either as a singular laser or when integrated... Infinera Corporation

Light absorption and scattering devices in a photonic integrated circuit

A photonic integrated circuit is provided that may include a substrate; one or more optical sources, on the substrate, to output light associated with a corresponding one or more optical signals; one or more waveguides connected to the one or more optical sources; a multiplexer connected to the one or... Infinera Corporation

Systems and methods for many-to-one bi-directional auto-discovery

A method of many-to-one auto-discovery between modules includes: a source (sender) module sends the same source-ID on all its connected ports (many). The module may not know on which port the ID is sent. A sink (receiver) module is capable of receiving IDs on its port (one). The sink port... Infinera Corporation

Systems and methods for latency based routing

A method for determining a path through a communication network may include determining a first and second path from a first device to a second device based on path latency, removing from further consideration the first or the second path based on which has the highest path latency of the... Infinera Corporation

Ospfte extension to support gmpls for flexible grid

A method and system are disclosed in which a link state advertisement message (LSA) conforming to a Generalized Multiprotocol Label Switching (GMPLS) routing protocol is generated and transmitted. The LSA is associated with a TE Link between a transmit node and a receive node in a network. The transmit node... Infinera Corporation

Wavelength collision detection in carrier multiplexers

This disclosure relates to optical line system equipment, which enables wavelength addition for long haul transmission. The system is configured to prevent contention of wavelengths added into a multiplexer. For example, an optical wavelength combiner, such as a multiplexer, may include components that are configured to detect potential collisions between... Infinera Corporation

02/16/17 / #20170048140

Dynamic lsp resizing in a gmpls mesh network

A method to dynamically resize an LSP without releasing it includes: establishing a first path through a network from a first device to a second device; receiving a request to resize the first path; establishing a second path identical to the first path; simultaneously transmitting communication signals on the first... Infinera Corporation

02/09/17 / #20170041690

Providing ownership-based view and management of shared optical network resources

A device may receive optical network information associated with an optical network, and may determine a user associated with network resources of the optical network. The network resources may be shared for use by multiple users, including the user. The device may store the optical network information and information that... Infinera Corporation

02/02/17 / #20170033864

Digital link viewer for data center interconnect nodes

A device may receive optical network information associated with a first optical node and a second optical node. The first optical node may be associated with a first group of optical devices. The second optical node may be associated with a second group of optical devices. The device may identify... Infinera Corporation

02/02/17 / #20170033999

Digital link viewer with paging for super-channels

A device may receive optical network information associated with a plurality of super-channels. Each super-channel, of the plurality of super-channels, may include a plurality of optical channels transported as a single optical channel. The device may assign the plurality of super-channels to a plurality of sets of super-channels. The device... Infinera Corporation

01/19/17 / #20170019204

Wavelength selective switch (wss) for shaping optical signals

A device may perform a set of sample measurements of a set of slices of spectrum utilized by an input optical signal. The device may perform an analysis of the input optical signal to determine an attenuation profile. The analysis may include identifying a channel in a particular slice of... Infinera Corporation

01/12/17 / #20170012866

Systems, methods, and forwarding a data flow

An exemplary network controller may be configured to receive a data flow request from a first node and, in response to the data flow request, send a flow entry to each of the nodes along a data flow path for the data flow. The flow entries may be sent from... Infinera Corporation

01/12/17 / #20170012900

Systems, methods, and verification of a network path

An exemplary network controller may be configured to perform path verification using a special packet prepared by the controller. The controller initiates the special packet at the head end of the service. Thereafter, each physical node in the path will be programmed with special flow entries to take this data... Infinera Corporation

01/12/17 / #20170012933

Systems, methods, and arp mediation

An exemplary network controller may be configured to perform ARP mediation through passively learning MAC addresses on client sides and keeping track of IP/MAC/Attachment point associations, hijacking ARP requests received by the core nodes through a packet_in operation or a redirection to other agents, injecting proxy ARP replies that provide... Infinera Corporation








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