Patents by Inventor Leo Spiekman

Leo Spiekman 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).

  • Apparatus and methods for optical communication
    Patent number: 7916385
    Abstract: An optical circuit is disclosed, which may include a semiconductor optical amplifier (SOA); an optical filter operable to filter light emerging from the SOA; and a PIN for converting the light output from the optical filter into an electrical signal, wherein the gain profile of the optical filter is configured to maximize throughout of signal energy within a predetermined wavelength range (in-band), and to impose an insertion loss (Loob) of less than 20 dB on signal energy outside the predetermined wavelength range.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: March 29, 2011
    Assignee: Alphion Corporation
    Inventors: David Piehler, Leo Spiekman
  • Apparatus and Methods for Optical Communication
    Publication number: 20080231945
    Abstract: An optical circuit is disclosed, which may include a semiconductor optical amplifier (SOA); an optical filter operable to filter light emerging from the SOA; and a PIN for converting the light output from the optical filter into an electrical signal, wherein the gain profile of the optical filter is configured to maximize throughout of signal energy within a predetermined wavelength range (in-band), and to impose an insertion loss (Loob) of less than 20 dB on signal energy outside the predetermined wavelength range.
    Type: Application
    Filed: March 24, 2008
    Publication date: September 25, 2008
    Applicant: Alphion Corporation
    Inventors: David Piehler, Leo Spiekman