Patents by Inventor Darwin Evans

Darwin Evans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optimization of spectrum sharing in optical line systems
    Patent number: 12348265
    Abstract: Systems and methods for optimization of spectrum sharing in optical line systems include, for at least one fiber having optical spectrum being shared by at least two users in an optical line system, assigning value to the optical spectrum; determining using a policy and the assigned value of the optical spectrum how to partition the optical spectrum between the at least two users; and causing implementation of the partition of the optical spectrum. The assigned value of the optical spectrum can be based on information carrying capacity in bandwidth per second. The assigned value of the optical spectrum accounts for performance versus frequency, such that, e.g., two or more of the at least two users have different amounts of the optical spectrum from one another.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: July 1, 2025
    Assignee: Ciena Corporation
    Inventors: Priyanth Mehta, Darwin Evans, Michael Hubbard, Robert W. Keys
  • Optimization of spectrum sharing in optical line systems
    Publication number: 20240259096
    Abstract: Systems and methods for optimization of spectrum sharing in optical line systems include, for at least one fiber having optical spectrum being shared by at least two users in an optical line system, assigning value to the optical spectrum; determining using a policy and the assigned value of the optical spectrum how to partition the optical spectrum between the at least two users; and causing implementation of the partition of the optical spectrum. The assigned value of the optical spectrum can be based on information carrying capacity in bandwidth per second. The assigned value of the optical spectrum accounts for performance versus frequency, such that, e.g., two or more of the at least two users have different amounts of the optical spectrum from one another.
    Type: Application
    Filed: May 31, 2023
    Publication date: August 1, 2024
    Inventors: Priyanth Mehta, Darwin Evans, Michael Hubbard, Robert W. Keys