310 patents
Page 3 of 16
Utility
Waveguide Dual-depletion Region (DDR) Photodiodes
11 May 23
Consistent with the present disclosure, a DDR photodiode is provided on a substrate adjacent to a passive waveguide.
Mingzhi Lu, Peter W. Evans
Filed: 31 Dec 22
Utility
Waveguide Dual-depletion Region (DDR) Photodiodes
11 May 23
Consistent with the present disclosure, a DDR photodiode is provided on a substrate adjacent to a passive waveguide.
Mingzhi Lu, Peter W. Evans
Filed: 31 Dec 22
Utility
Digital Tone-based Apparatus and Method for Measuring the Frequency Response of Coherent Optical Transmitters
11 May 23
An optical network component, system, and method are herein described.
Amir Rashidinejad, Wenbo Gao
Filed: 30 Dec 22
Utility
Methods and apparatus for power efficient design of forward error correction for optical communication systems
9 May 23
Consistent with a further aspect of the present disclosure, previously encoded data is stored in a memory, and an encoder accesses both input data and previously encoded data to generate new encoded data or a new codeword.
Mehdi Torbatian, Alex Nicolescu, Han Henry Sun, Mohsen Tehrani, Kuang-Tsan Wu
Filed: 21 May 21
Utility
Clock Recovery for Digital Subcarriers for Optical Networks
4 May 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: 30 Dec 22
Utility
Probabilistic Constellation Shaping for Point-To-Multipoint Optical Fiber Communication Systems Employing Subcarriers
4 May 23
Consistent with the present disclosure, a transmitter is provided in a hub node of a point-to-multi-point optical communication system.
Christopher R. Fludger
Filed: 2 Nov 22
Utility
Waveguide Dual-depletion Region (DDR) Photodiodes
4 May 23
Consistent with the present disclosure, a DDR photodiode is provided on a substrate adjacent to a passive waveguide.
Mingzhi Lu, Peter W. Evans
Filed: 31 Dec 22
Utility
Asymmetric Pulse-shaping In Digital Communication Systems
27 Apr 23
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for performing asymmetric pulse-shaping filtering.
Francisco Javier Vaquero Caballero, Mehdi Torbatian, Demin Yao, Han Henry Sun, Jonathan Buset, Kuang-Tsan Wu
Filed: 25 Oct 22
Utility
Frequency division multiple access optical subcarriers
25 Apr 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: 23 Sep 19
Utility
Correction of Raman Pump Configurations for Dynamic Compensation of Deviations In a Raman Gain Profile
13 Apr 23
Disclosed herein are methods and systems configuring a raman amplifier.
Juraj Slovak, Ankur Neog
Filed: 10 Aug 22
Utility
Communication module engagement
11 Apr 23
An optical transceiver having a locking assembly that prevents undesirable movement of the optical transceiver when engaged with another device is described.
Franklin Wall, Jr., Paul Gavrilovic, Walter Shakespeare
Filed: 31 Jul 20
Utility
Frequency Division Multiple Access Optical Subcarriers
23 Mar 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
Computation of Optimum Fiber Input Power
16 Mar 23
Disclosed herein are methods and systems for computing a launch power for an optical node by collecting data for an optical network segment and inputting the collected data and first power spectral density values into a machine learning model which are used to compute a first non-linear interference value.
Ankur Neog, Zhong Pan, Baranidhar Ramanathan
Filed: 1 Sep 22
Utility
Automatic Configuration of Pump Attributes of a Raman Amplifier to Achieve a Desired Gain Profile
16 Mar 23
Disclosed herein are methods and systems for configuring a raman amplifier.
Ankur Neog, Baranidhar Ramanathan, Wolfgang Schairer
Filed: 29 Jul 22
Utility
Perturbative-based Nonlinear Compensation for Digital Subcarrier Systems
16 Mar 23
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for applying non-linearity to digital subcarriers.
Mohamed Osman, Demin Yao, Domanic Lavery, Han Henry Sun, Pierre Mertz
Filed: 14 Sep 22
Utility
Data synchronization in optical networks and devices
14 Mar 23
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: 24 Dec 20
Utility
Frequency Division Multiple Access Optical Subcarriers
2 Mar 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
Separately Managed Network Entity with Virtualized Transport Function
2 Mar 23
Implementations for remotely managing an optical transceiver connected to a network device and optical network is described.
Steven Joseph Hand, Vasudha Bhaskara, Mika Silvola, Dirk Corsus, Mats Plantare, Per Lembre, David F. Welch
Filed: 25 Aug 22
Utility
Compensation of signal distoration induced by a periodic optical copropagating optical signal
14 Feb 23
The disclosure relates to a method, an optical receiver and an optical system for compensating, at an optical receiver, signal distortions induced in an optical carrier signal by a periodic copropagating optical signal, wherein the optical carrier signal and the copropagating signal copropagate at least in part of an optical system or network, by: receiving, at the optical receiver, the optical carrier signal, wherein the optical carrier signal is distorted by the copropagating signal; determining, at the optical receiver, a period of a periodic component of the distorted optical carrier signal; determining, at the optical receiver, a periodic distortion of the distorted optical carrier signal; and generating a compensation signal to correct the distorted optical carrier signal according to the determined periodic distortion.
Lutz Rapp
Filed: 25 Feb 20
Utility
Adaptive constellation diagram reducing the impact of phase distortions
14 Feb 23
Disclosed herein is a method of encoding and/or decoding data for optical data transmission along a transmission link, as well as corresponding transmitters and receivers.
Lutz Rapp
Filed: 28 Feb 17