310 patents
Page 6 of 16
Utility
Media Converter Passive Optical Network (Pon)
6 Oct 22
Consistent with the present disclosure, a networking system is provided whereby flexible optical bandwidth or capacity between a primary or hub node and secondary or leaf nodes is realized to reduce overall cost and power consumption.
Ting-Kuang Chiang
Filed: 5 Apr 22
Utility
Optical subcarrier dual-path protection and restoration for optical communications networks
4 Oct 22
An example system includes a first network device having first circuitry.
Steven Joseph Hand
Filed: 21 Oct 20
Utility
Distribution Matching for Probabilistic Constellation Shaping with an Arbitrary Input/output Alphabet
22 Sep 22
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 a sequence of symbols of a codeword of length n, such that the symbols of the codeword define a predetermined transmission probability distribution.
Mehdi Torbatian, Deyuan Chan, Han Henry Sun, Sandy Thomson, Kuang-Tsan Wu
Filed: 13 Sep 21
Utility
State of Polarization Sensitive Coherent Optical Time Domain Reflectometry
22 Sep 22
A transceiver is herein described.
Pierre Mertz, Han Hennry Sun, Robert Maher
Filed: 21 Mar 22
Utility
Time division multiple access optical subcarriers
20 Sep 22
A transmitter can include a laser operable to output an optical signal; a digital signal processor operable to receive user data and provide electrical signals based on the data; and a modulator operable to modulate the optical signal to provide optical subcarriers based on the electrical signals.
Amir Jafari, Kuang-Tsan Wu, David F. Welch, Steven Joseph Hand, Mohamed Osman
Filed: 4 Mar 20
Utility
Method and system to prevent false restoration and protection in optical networks with a sliceable light source
20 Sep 22
A transport network, a node, and a method are disclosed.
Amit Satbhaiya, Nikhil Kumar Satyarthi, Sanjeev Ramachandran, Rajan Rao, Baranidhar Ramanathan
Filed: 4 Oct 18
Utility
Optical subcarrier dual-path protection and restoration for optical communications networks
20 Sep 22
An example system includes a first network device having first circuitry.
Steven Joseph Hand
Filed: 22 Oct 20
Utility
Telecommunication system having a modulation format based upon degradation predictions
23 Aug 22
An apparatus comprising a control circuit providing a variable control signal, and a transmitter.
Steven William Beacall, Sumudu Geethika Edirisinghe
Filed: 18 Dec 20
Utility
In-service data plane encryption verification
23 Aug 22
A method of executing in-session encryption verification includes receiving a plurality of client data packets for transmission through a network; receiving one or more test data packets for verifying an encryption device; merging the client data packets and the one or more test packets into a data stream; selecting security parameters for each packet in the data stream based on a corresponding packet type; encrypting each packet in the data stream using the encryption device and the corresponding security parameters; and transmitting the data stream comprising encrypted packets through the network.
Kannan Raj, Jagwinder Singh Brar, Abhinava Sadasivarao, Radhakrishna Valiveti, Sharfuddin Syed, Loukas Paraschis
Filed: 20 Feb 20
Utility
Frequency Division Multiple Access Optical Subcarriers
18 Aug 22
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: 25 Dec 21
Utility
Synchronization for subcarrier communication
16 Aug 22
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for clock synchronizing an optical system and multiple leaf systems.
Han H. Sun, Kuang-Tsan Wu, John D. McNicol
Filed: 20 Sep 19
Utility
Hybrid Integrated Circuit Package
28 Jul 22
Disclosed herein are multi-layer substrates for integrated circuit packages and methods of making the same.
John W. Osenbach, Jiaming Zhang
Filed: 25 Jan 22
Utility
Telecommunication system having a modulation format based upon degradation predictions
19 Jul 22
A control circuit, comprising a processor, and a computer readable medium is described.
Steven William Beacall, Sumudu Geethika Edirisinghe
Filed: 18 Dec 20
Utility
Out-of-band Communication Channel for Sub-carrier-based Optical Communication Systems
14 Jul 22
Techniques are described for implementing an out-of-band communication channel used to exchange control channel information in sub-carrier-based optical communication systems.
Amir Jafari, Steven J. Hand, Mohamed Osman
Filed: 15 Nov 21
Utility
Data Synchronization In Optical Networks and Devices
14 Jul 22
Joint estimation of the framer index and the frequency offset in an optical communication system are described among various other features.
Mehdi Torbatian, Yuliang Gao, Ahmed Morra, Han Henry Sun, Yeongho Park
Filed: 18 Nov 21
Utility
Service-based loss forwarding in communication networks
12 Jul 22
A network node (3, 4) comprising at least one client interface port (40) and a database (46, 48) storing data allowing to retrieve for a given client interface, a service associated therewith, for a given service, a client interface associated therewith.
Sergio Silva, Thomas Hiestand
Filed: 8 Feb 17
Utility
Apparatuses and methods for digital subcarrier parameter modifications for optical communication networks
21 Jun 22
Optical network systems are disclosed, including systems having transmitters with a digital signal processor comprising forward error correction circuitry that provides encoded first electrical signals based on input data; and power adjusting circuitry that receives second electrical signals indicative of the first electrical signals, the power adjusting circuitry supplying third electrical signals, wherein each of the third electrical signals is indicative of an optical power level of a corresponding to one of a plurality of optical subcarriers output from an optical transmitter.
Steven Joseph Hand, Ahmed Awadala, Luis A. Perez, Vincent G. Dominic, Kuang-Tsan Wu
Filed: 15 Apr 19
Utility
Individually routable digital subcarriers
14 Jun 22
Consistent with an aspect of the present disclosure, electrical signals or digital subcarriers are generated in a DSP based on independent input data streams.
Kuang-Tsan Wu, Matthew L. Mitchell
Filed: 8 May 20
Utility
Hub-leaf laser synchronization
7 Jun 22
Consistent with the present disclosure a network is provided that includes a primary node and a plurality of secondary nodes.
John D. McNicol, Han Henry Sun, Kuang-Tsan Wu
Filed: 11 May 20
Utility
Waveguide Dual-depletion Region (DDR) Photodiodes
2 Jun 22
Consistent with the present disclosure, a DDR photodiode is provided on a substrate adjacent to a passive waveguide.
MINGZHI LU, Peter W. Evans
Filed: 29 Nov 20