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| Number | Title | Issue Date |
| 7336869 | System and method for implementing a high capacity unrepeatered optical communication system A method of communicating an optical signal includes generating an optical signal at a bit rate of at least 2.5 Gb/s. The optical signal including at least thirty optical channels. In one particular embodiment, at least some of the thirty optical channels reside wit... | 02/26/2008 |
| 7254341 | System and method for dispersion compensation in an optical communication system An optical communication system includes a first end terminal comprising a first transponder operable to receive a first electrical signal and generate an optical signal based at least in part on the first electrical signal for communication to a multiple span commu... | 08/07/2007 |
| 7254337 | Band optical add/drop multiplexing An optical communication system includes a plurality of optical add/drop multiplexers (OADMs). The plurality of OADMs includes at least five low distortion OADMs. Each OADM is coupled between spans of a multiple span communication link and operable to receive a mult... | 08/07/2007 |
| 7233432 | Pre-emphasized optical communication In one of several embodiments, a method of communicating optical signals comprises communicating a plurality of optical signals over an optical communications medium, wherein each of at least some of the plurality of optical signals comprises a launch power that is ... | 06/19/2007 |
| 7197245 | System and method for managing system margin An optical communication system is operable to communicate a plurality of wavelength signals at a bit rate of at least 9.5 gigabits per second over a multiple span communication link spanning at least 400 kilometers without optical regenerators. The plurality of wav... | 03/27/2007 |
| 6356384 | Broadband amplifier and communication system A method of broadband amplification divides an optical signal of wavelength of 1430 nm to 1620 nm at a preselected wavelength into a first beam and a second beam. The first beam is directed to at least one optical amplifier and produces an amplified first... | 03/12/2002 |
| 6239902 | Nonlinear fiber amplifiers used for a 1430-1530nm low-loss window in optical fibers An apparatus and method are described for exploiting almost the full almost 25TH % of bandwidth available in the low-loss window in optical fibers (from 1430 nm-1620 nm) using a parallel combination of optical amplifiers. The low-loss window at... | 05/29/2001 |
