166 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
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
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
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
Utility
Coordinator for Managing Optical Power Controls In a C+L Band Network
28 Sep 23
An optical network and a method of use are herein disclosed.
Nikhil Satyarthi, Ashok Kunjidhapatham, Sanjeev Ramachandran, Jonathan Buset, Baranidhar Ramanathan
Filed: 24 May 23
Utility
Polartiy Dependent Offset In Analog-to-digital Converters
21 Sep 23
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for implementing a SAR ADC circuit with improved quantization error.
Shiva Prasad Kotagiri, Fu-Tai An
Filed: 13 Jan 23
Utility
Low Pass Filter for Trosa High Frequency Response Suppression
14 Sep 23
Consistent with the present disclosure, low pass filters are provided in the electrical paths connecting digital to analog converter (DAC) circuitry to an optical block package (also referred to as a “gold box”).
Jiaming Zhang
Filed: 9 Mar 23
Utility
Service and Power Control Orchestrator
17 Aug 23
Networks and network elements having a service and power control orchestrator are disclosed, including a network element comprising a processor; a first port coupled to a first optical link carrying a first optical signal; a WSS having a multiplexer, a demultiplexer, and a control block operable to control the multiplexer/demultiplexer.
Baranidhar Ramanathan, Ashok Kunjidhapatham, Sanjeev Ramachandran, Johathan Buset, Nikhil Satyarthi, Bhupathi Rao Yellinedi, Badareenath Alur Sreenivasacharya, Anil Naduvile Veedu, Aryabhata Deshpande, Servesh Singh, Dinesh Kumar Parkasam
Filed: 2 Feb 23
Utility
Orchestration Control Protocol
3 Aug 23
An optical network is herein described.
Ashok Kunjidhapatham, Ashwini Kumar Bhat, G J. Raghavendra, Anoop Rajan
Filed: 27 Jan 23
Utility
Grouping of Optical Passbands for Loading In an Optical Transmission Spectrum Using an Affinity Identifier
3 Aug 23
A system and method are described herein.
Sanjeev Ramachandran, Ashok Kunjidhapatham, Anil Naduvile Veedu, Nandini Hanumanthagowda
Filed: 27 Dec 22
Utility
Event Scheduler Sub-system for Aggregation, Prioritization, and Serialization of Software Application Events
27 Jul 23
Disclosed herein are methods and systems involving an event scheduler sub-system configured for aggregation, prioritization, and serialization of software application events, including a method comprising receiving event and associated event data; determining event type and event object key; storing the event data in an event handler data table; generating a priority group number and an insertion order number associated with the event; generating a new queue element comprising the priority group number, the insertion order number, a reference to the event handler, the object key, and the event type; inserting the new queue element to an event scheduler priority queue; sending a signal from the event handler to the event scheduler indicating availability of the new queue element to process; retrieving the event data associated with a queue element with a highest priority in the priority queue; and passing the event data to an admin application for processing.
Nikhil Satyarthi, Ashok Kunjidhapatham, Sanjeev Ramachandran, Badareenath Alur Sreenivasacharya, Baranidhar Ramanathan
Filed: 27 Jan 23
Utility
User Configurable Spectral Loading In an Optical Line System, Using Policies and Parameters
13 Jul 23
Disclosed herein are methods and systems for generating and/or obtaining at least one loading policy for a transmission line segment that is currently operating, the at least one loading policy comprising a combination of loading parameters for one or more types of loading management operations associated with the transmission line segment.
Sanjeev Ramachandran, Ashok Kunjidhapatham, Jonathan Buset
Filed: 27 Dec 22
Utility
Systems and Methods for Network Element Neighbor Discovery
13 Jul 23
Disclosed herein are systems and methods for neighbor discovery for any network transport layer; including a network element comprising: a processor, an interface connected to a network having a control channel, and instructions that, when executed by the processor, cause the network element to: generate a discover message comprising a message identification, a discovered node ID, and a discovered interface ID; send a first signal comprising the discover message over the control channel to a second network element; and receive a second signal comprising an acknowledgment message from the second network element over the control channel, the acknowledgment message being one of a positive acknowledgment message and a negative acknowledgment message; and wherein receipt of the positive acknowledgment message indicates that contents of the discover message were matched by the second network element, and receipt of the negative acknowledgment indicates that there was at least one mismatch in the contents.
Ashok Kunjidhapatham, Ashwini Kumar Bhat, G. J. Raghavendra, Abhilasha Subraya Hegde
Filed: 10 Jan 23
Utility
Coordinator for Managing Optical Power Controls In a C+L Band Network
13 Jul 23
An optical network and a method of use are herein disclosed.
Nikhil Satyarthi, Ashok Kunjidhapatham, Sanjeev Ramachandran, Jonathan Buset, Baranidhar `Ramanathan
Filed: 10 Jan 23
Utility
Printed Circuit Board Having a Differential Pair Routing Topology with Negative Plane Routing and Impedance Correction Structures
29 Jun 23
A printed circuit board including a set of five layers encompassing a breakout area is described.
Aneesh Kachroo, Mithun Gopal V V, Navneeth Jayaraj
Filed: 24 Dec 21
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