310 patents
Utility
Multi-length Look-up Table Spherical Constellation Shaping
18 Jan 24
Consistent with the present disclosure, an encoder circuit is provided at a transmit side of an optical fiber link that maps an input sequence of bits of fixed length k to a sequence of symbols of a codeword of length n, such that the symbols of the codeword define a predetermined transmission probability distribution.
David S. Millar, Mehdi Torbatian, Han Henry Sun
Filed: 13 Jul 23
Utility
Method apparatus, and computer readable medium for defining and encoding packets for data exchange over a network
9 Jan 24
Systems, methods, and devices for encoding and decoding a packet buffer for data exchange over a communications network, including parsing a data container definition file to determine a packet format; generating a code file based on the data container definition file; inserting the code file into a source tree of an application; compiling the source tree to generate an executable file; and executing the executable on a computing device in communication with the communications network, wherein the executable file encodes and decodes the packet buffer for data exchange over the communications network.
Mohit Misra, Prakash Singh Bisht, Ashwini Kumar Bhat
Filed: 30 Jun 17
Utility
Optical subcarrier dual-path protection and restoration for optical communications networks
9 Jan 24
An example system includes a first network device having first circuitry.
Steven Joseph Hand
Filed: 21 Oct 20
Utility
SD-FEC defect propagation across regeneration nodes in support of single and multi-carrier super channel protection in ROADM networks
5 Dec 23
A regen node is described.
Rajan Rao, Ramakrishna Pratapa, Ramnarayan Srinivasan, Ashok Kunjidhapatham, Radhakrishna Valiveti
Filed: 20 Aug 20
Utility
Out-of-band communication channel for subcarrier-based optical communication systems
5 Dec 23
An example system includes a hub transceiver and a plurality of edge transceivers.
Steven J. Hand
Filed: 24 Dec 21
Utility
Bidirectional optical communications
5 Dec 23
This disclosure describes digitally generating sub-carriers (SCs) to provide isolation and dynamic allocation of bandwidth between uplink and downlink traffic between transceivers that are communicatively coupled via a bidirectional link including one or more segments of optical fiber.
Magnus Olson, Amir Rashidinejad
Filed: 20 Sep 19
Utility
Clock Recovery for Digital Subcarriers for Optical Networks
30 Nov 23
Optical network systems and components are disclosed, including a transmitter comprising a digital signal processor that receives data; circuitry that generate a plurality of electrical signals based on the data; a plurality of filters, each of which receiving a corresponding one of the plurality of electrical signals, a plurality of roll-off factors being associated with a respective one of the plurality of filters; a plurality of DACs that receive outputs from the digital signal processor, the outputs being indicative of outputs from the plurality of filters; a laser that supplies light; and a modulator that receives the light and outputs from the DACs, and supplies a plurality of optical subcarriers based on the outputs, such that one of the optical subcarriers has a frequency bandwidth that is wider than remaining ones of the optical subcarriers, said one of the optical subcarriers carrying information for clock recovery.
Jeffrey T. Rahn, Kuang-Tsan Wu, Steven Joseph Hand, Han Henry Sun
Filed: 24 May 22
Utility
System and Method for Real Time Protection Applications on Hybrid Controller Architecture
23 Nov 23
A system, a line module in a terminal node of an optical network, and/or a method are described in which a first embedded device of a first line module transmits a first fault signal to a first real time processor of the first line module.
Kapil Juneja, Amit Satbhaiya, Bryce Edwards, Aref Modanlu
Filed: 17 May 23
Utility
Frequency division multiple access optical subcarriers
21 Nov 23
A hub node may or have a capacity greater than that of associated leaf nodes.
Jeffrey T. Rahn, Kuang-Tsan Wu, Steven J. Hand, David F. Welch
Filed: 24 Dec 21
Utility
Subcarrier based data center network architecture
21 Nov 23
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for generating, transmitting, directing, receiving, and processing optical subcarriers.
Stuart Elby, David F. Welch
Filed: 16 Aug 21
Utility
Transmitting and receiving data using a satellite communications network
14 Nov 23
An example apparatus includes an optical transmitter, an optical splitter, lenses, and mirrors.
Steven Joseph Hand, Tulasi Veguru, Prasad Paranjape, Han Henry Sun
Filed: 24 Dec 20
Utility
Systems and Methods for Configurable Lane Mapping for Muxponder Modules
9 Nov 23
Disclosed herein are methods and systems for dynamically configuring a muxponder.
Steven Joseph Hand, Norman Swenson, Jeng Rong Yeh
Filed: 8 May 23
Utility
Apparatus and Method for Modelling of Passive Connectors and a One-touch Roadm Optical Network
9 Nov 23
A node comprises an FSP, a first FRU, a second FRU, and a controller.
Thirumala Raju Mone, Himabindu Uppalapati, Shaheba Memon
Filed: 5 May 23
Utility
Opto-electronic package and a method for making an opto-electronic package
31 Oct 23
Opto-electronic packages and methods for making opto-electronic packages are disclosed, including a method comprising forming an opto-electronic circuit on a first surface of a substrate of a lower package assembly, the first surface of the substrate having a first bonding pattern configured to provide a hermetic seal, the first bonding pattern extending around the opto-electronic circuit; positioning a bottom of a ring frame onto the first bonding pattern so as to surround the opto-electronic circuit with the ring frame; hermetically sealing a bottom of the ring frame to the first bonding pattern of the first surface of the substrate of the lower package assembly subsequent to the formation of the opto-electronic circuit on the first surface of the substrate; and hermetically sealing a top of the ring frame to form a hermetically sealed opto-electronic package.
Franklin Wall, Jr., John Osenbach, Jiaming Zhang
Filed: 29 Mar 21
Utility
Digital tone-based apparatus and method for measuring the frequency response of coherent optical transmitters
24 Oct 23
An optical network component, system, and method are herein described.
Amir Rashidinejad, Wenbo Gao
Filed: 14 Jul 21
Utility
Frequency division multiple access optical subcarriers
17 Oct 23
A network or system in which a hub or primary node may communicate with a plurality of leaf or secondary nodes.
Jeffrey T. Rahn, Kuang-Tsan Wu, Steven J. Hand, David F. Welch
Filed: 24 Dec 21
Utility
Optical channel power control system and method
17 Oct 23
Systems and methods are disclosed, including a method comprising receiving power loss measurement parameters for components of an optical transmission system comprising a first node having a preamplifier, the first node configured to transmit and receive optical signals on a number of optical channels to and from one or more first transceivers; a second node configured to transmit and receive optical signals on the number of optical channels to and from one or more second transceivers; and one or more bidirectional optical fiber between the first node and the second node; determining and setting, using one or more of the power loss measurement parameters and using a number of optical channels in the optical transmission system, a power gain for the preamplifier in the first node, in order to obtain a target client power of the optical signals transmitted to the one or more first transceivers.
Bengt Johansson
Filed: 7 Aug 18
Utility
Method of Transient Management In Optical Transmission Systems
12 Oct 23
Disclosed herein are methods and systems for configuring a spectral loading pattern for a transmission line segment in an optical network, the method comprising obtaining at least one loading policy, activating at least one of the at least one loading policy, receiving a plurality of requested operations, obtaining one or more static datapoint and one or more dynamic datapoint associated with the transmission line segment, obtaining loading parameters and one or more loading algorithm from the at least one activated loading policy, generating a loading response according to the one or more loading algorithm, and changing a spectral loading pattern of the transmission line segment based on the loading response.
Jonathan M. Buset, Stephane St. Laurent, Daniel Fonseca, Nisar Ahmed, Sanjeev Ramachandran, Ashok Kunjidhapatham, Thomas Gerard
Filed: 7 Apr 23
Utility
Systems and Methods for Correcting Downstream Power Excursions During Upstream Loading Operations In Optical Networks
12 Oct 23
Disclosed herein are methods and systems for correcting power excursions.
Jonathan M. Buset, Daniel Fonseca, Stephane St. Laurent, Sanjeev Ramachandran, Ashok Kunjidhapatham
Filed: 7 Apr 23
Utility
Intra-carrier Spectral Shaping for High-baud Rate Optical Transmission Signals
12 Oct 23
A network element is disclosed herein.
Jonathan M. Buset, Lan Liu, Nisar Ahmed, Thomas Gerard, Francisco Javier Vaquero Caballero
Filed: 7 Apr 23