Patents Assigned to Corvis Corporation
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Publication number: 20030025971Abstract: A method of transmitting an optical communications signal, comprising receiving a first signal, encoding the signal with a differential or duobinary encoding scheme, encoding the signal with an oscillating signal component, and sub-carrier modulating the signal onto a sub-carrier of an optical carrier signal. The invention also relates to corresponding systems and apparatuses.Type: ApplicationFiled: August 23, 2002Publication date: February 6, 2003Applicant: Corvis CorporationInventors: Alistair J. Price, William Radtke, David F. Smith
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Patent number: 6515789Abstract: The present invention is directed to an optical assembly with a substrate. A non-latching optical component is attached to the substrate and includes a non-latching garnet and a permanent magnet in magnetic communication with the garnet. Also, a latching optical component is attached to the substrate and includes a latching garnet. A magnetic shield is between the non-latching optical component and the latching optical component.Type: GrantFiled: August 16, 2001Date of Patent: February 4, 2003Assignee: Corvis CorporationInventor: Peter J. Morgan
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Patent number: 6504646Abstract: Systems, apparatuses, and methods are disclosed that include network control architectures that provide for distributed control of the optical component work functions and network management. The distribution of the work function control in the network element provides for a hierarchical division of work function responsibilities. The hierarchical division provides for streamlined and specically tailored control structures that greatly increases the reliability of the network management system.Type: GrantFiled: December 19, 2001Date of Patent: January 7, 2003Assignee: Corvis CorporationInventor: Victor P. Amoruso
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Publication number: 20020196490Abstract: An optical system with a first and second network tiers. The first network tier includes a plurality of major nodes optically interconnected by at least one transmission path. The second network tier includes a plurality of minor nodes disposed along the transmission path and the minor nodes are connected to at least one of the major nodes. The minor node is configured to transmit all traffic to an adjacent major node, and the major nodes are configured to transmit to and receive information from other major nodes and minor nodes on transmission paths connected to the major node.Type: ApplicationFiled: June 25, 2002Publication date: December 26, 2002Applicant: Corvis CorporationInventor: David F. Smith
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Publication number: 20020191906Abstract: Apparatuses, methods, and systems are disclosed for controlling optical signal wavelength spacing by providing for simultaneous upconversion of a plurality of electrical signal on subcarrier frequencies of an optical carrier frequency with or without modulation of an electrical data signal onto the optical carrier frequency. The optical carrier lightwave is split into a plurality of split lightwaves upon which one or more electrical frequencies carrying information can be upconverted onto optical subcarriers of the lightwave carrier frequency. The relative spacings of the optical subcarrier lightwaves will thus be unaffected by variation in the carrier frequency. The optical subcarrier lightwaves can then be recombined to form the optical data signal carrying the plurality of information carried by the electrical frequencies.Type: ApplicationFiled: June 24, 2002Publication date: December 19, 2002Applicant: Corvis CorporationInventors: Alistair J. Price, Michael C. Antone
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Publication number: 20020176133Abstract: A method of adjusting power for a WDM optical transmission system comprising emitter means, an optical transmission line, and receiver means, the method being characterized in that for each wavelength channel, the power emitted for said channel by the emitter means is adjusted as a function of the optical powers received for said channel at a plurality of points distributed along the transmission line.Type: ApplicationFiled: April 22, 2002Publication date: November 28, 2002Applicant: Corvis CorporationInventor: Thierry Georges
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Patent number: 6459529Abstract: Optical transmission systems of the present invention include at least one optical amplifier in which pump power being provided to an amplifying medium is amplified using a pump amplifier prior to being introduced into the amplifying medium. In various embodiments, a cascaded Raman resonator is used as a pump booster source to provide Raman amplification of the pump power being supplied from one or more pump sources to the signal channel amplifying medium.Type: GrantFiled: November 30, 2001Date of Patent: October 1, 2002Assignee: Corvis CorporationInventors: Stephen G. Grubb, John J. Veselka, Jr., Donald M. Cornwell, Jr.
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Patent number: 6456750Abstract: Apparatuses, methods, and systems are disclosed for controlling optical signal wavelength spacing by providing for simultaneous upconversion of a plurality of electrical signal on subcarrier frequencies of an optical carrier frequency with or without modulation of an electrical data signal onto the optical carrier frequency. The optical carrier lightwave is split into a plurality of split lightwaves upon which one or more electrical frequencies carrying information can be upconverted onto optical subcarriers of the lightwave carrier frequency. The relative spacings of the optical subcarrier lightwaves will thus be unaffected by variation in the carrier frequency. The optical subcarrier lightwaves can then be recombined to form the optical data signal carrying the plurality of information carried by the electrical frequencies.Type: GrantFiled: September 18, 2000Date of Patent: September 24, 2002Assignee: Corvis CorporationInventors: Alistair J. Price, Michael C. Antone
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Patent number: 6449073Abstract: Apparatuses and methods are disclosed for use in optical communication systems. An optical system of the present invention includes an optical transmitter, an optical receiver, and an optical processing node optically connecting the transmitter and the receiver. The optical processing node includes at least one waveband selector configured to selectively pass at least one optical waveband of information including a plurality of information carrying wavelengths from the transmitter to the receiver. In an embodiment, the optical processing node includes a switch configured to separate an optical signal into optical wavebands of information and selectively pass the optical wavebands to the receiver without separating the plurality of information carrying wavelengths into individual wavelengths. In an embodiment of the optical transmission system, a plurality of nodes containing optical transmitters, receivers, and/or switching equipment are interconnected using optical processing nodes to form the network.Type: GrantFiled: July 21, 1998Date of Patent: September 10, 2002Assignee: Corvis CorporationInventor: David R. Huber
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Publication number: 20020114030Abstract: A transmission system, including a content server, an optical transmitter having an input connected to the content server and having an output for producing optical signals indicative of content on the server, an optical switching device for selectively multi-casting optical signals, and a plurality of optical receivers connected to the switching device and receiving multicast optical signals. The optical switching device may further include an optical duplicator having an input connected to the output of the transmitter and having a plurality of outputs, and a plurality of separately controllable optical switching elements connected to the outputs of the optical duplicator.Type: ApplicationFiled: February 8, 2002Publication date: August 22, 2002Applicant: Corvis CorporationInventors: Anarug Dwivedi, Harrison K. Roberts, David R. Huber
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Publication number: 20020109906Abstract: Optical systems of the present invention include a plurality of optical processing nodes in optical communication via a plurality of signal varying devices. A first signal varying device includes an optical fiber configured to produce Raman scattering/gain in a signal wavelength range and a first signal variation profile. A first pump source is configured provides sufficient pump power in a plurality of first pump wavelengths to stimulate Raman scattering/gain in the optical fiber within the signal wavelength range.Type: ApplicationFiled: December 21, 2001Publication date: August 15, 2002Applicant: Corvis CorporationInventors: Stephen G. Grubb, Raymond Zanoni, Thomas D. Stephens
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Patent number: 6426821Abstract: Apparatuses, methods, and systems are disclosed that provide for simultaneously upconverting electrical signals carrying information at electric frequencies onto optical subcarrier lightwave frequencies that are greater and less than the carrier frequency of the lightwave onto which the electrical frequencies were upconverted. The upconversion of the electrical signals can be performed with or without suppression of the optical carrier frequency.Type: GrantFiled: April 7, 2000Date of Patent: July 30, 2002Assignee: Corvis CorporationInventors: Alistair J. Price, Thomas D. Stephens
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Publication number: 20020093711Abstract: Optical systems and devices for processing spectral groups, and optical methods for forming spectral groups, the optical system including at least one sub-network including at least one spectral group router configurable to route a plurality of optical signal channels within a spectral group, when contained within said sub-network and terminate optical channels within a spectral group, when bounding said sub-network, each optical signal channel being transmitted from one node within said sub-network to another node in said sub-network.Type: ApplicationFiled: February 22, 2002Publication date: July 18, 2002Applicant: Corvis CorporationInventors: Jane M. Simmons, David R. Huber
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Publication number: 20020067539Abstract: Optical transmission systems of the present invention include at least one optical amplifier in which pump power being provided to an amplifying medium is amplified using a pump amplifier prior to being introduced into the amplifying medium. In various embodiments, a cascaded Raman resonator is used as a pump booster source to provide Raman amplification of the pump power being supplied from one or more pump sources to the signal channel amplifying medium.Type: ApplicationFiled: November 30, 2001Publication date: June 6, 2002Applicant: Corvis CorporationInventors: Stephen G. Grubb, John J. Veselka, Donald M. Cornwell
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Publication number: 20020063949Abstract: Optical systems of the present invention include amplifiers configured to achieve maximum signal channel in a span downstream of the transmitter and amplifier site and to decrease the interaction between the wavelengths at high signal channel powers. In addition, the system can include various types of optical fiber positioned in the network to provide for increased signal channel powers and higher gain efficiencies in the system.Type: ApplicationFiled: January 14, 2002Publication date: May 30, 2002Applicant: Corvis CorporationInventors: Donald M. Cornwell, John J. Veselka, Stephen G. Grubb, Thomas D. Stephens, Ruxiang Jin, Alistair J. Price, Michael C. Antone
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Patent number: 6377389Abstract: Optical systems of the present invention include a plurality of optical processing nodes in optical communication via at least one signal varying device. The signal varying devices includes an optical fiber suitable for facilitating Raman scattering/gain in a signal wavelength range and a pump energy source for providing pump energy in a plurality of pump wavelengths. The pump source provides sufficient pump energy in each pump wavelength to stimulate Raman scattering/gain in the optical fiber within the signal wavelength range. The pump wavelengths are selected such that the combined Raman gain resulting from the pump energy supplied by each pump wavelength produces a desired signal variation profile in the signal wavelength range. In addition, the pump energy supplied by at least one of the pump wavelengths can be varied to produce a controlled signal intensity variation profile over the signal wavelength range in the optical fiber.Type: GrantFiled: April 7, 2000Date of Patent: April 23, 2002Assignee: Corvis CorporationInventors: Stephen G. Grubb, Raymond Zanoni, Thomas D. Stephens
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Patent number: 6359729Abstract: Systems, apparatuses, and methods are disclosed that include network control architectures that provide for distributed control of the optical component work functions and network management. The distribution of the work function control in the network element provides for a hierarchical division of work function responsibilities. The hierarchical division provides for streamlined and specically tailored control structures that greatly increases the reliability of the network management system.Type: GrantFiled: November 17, 1999Date of Patent: March 19, 2002Assignee: Corvis CorporationInventor: Victor P. Amoruso
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Patent number: 6356383Abstract: Optical systems of the present invention include amplifiers configured to achieve maximum signal channel in a span downstream of the transmitter and amplifier site and to decrease the interaction between the wavelengths at high signal channel powers. In addition, the system can include various types of optical fiber positioned in the network to provide for increased signal channel powers and higher gain efficiencies in the system.Type: GrantFiled: March 31, 2000Date of Patent: March 12, 2002Assignee: Corvis CorporationInventors: Donald M. Cornwell, Jr., John J. Veselka, Jr., Stephen G. Grubb, Thomas D. Stephens, Ruxiang Jin, Alistair J. Price, Michael C. Antone
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Publication number: 20020018268Abstract: Apparatuses, methods, and systems are disclosed that provide for simultaneously upconverting electrical signals carrying information at electric frequencies onto optical subcarrier lightwave frequencies that are greater and less than the carrier frequency of the lightwave onto which the electrical frequencies were upconverted. The upconversion of the electrical signals can be performed with or without suppression of the optical carrier frequency.Type: ApplicationFiled: October 17, 2001Publication date: February 14, 2002Applicant: Corvis Corporation ATTN: Intellectual Property DepartmentInventors: Alistair J. Price, Derek W. Meeker
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Patent number: 6344922Abstract: Optical systems of the present invention include a plurality of optical processing nodes in optical communication via at least one signal varying device. The signal varying devices includes an optical fiber suitable for facilitating Raman scattering/gain in a signal wavelength range and a pump energy source for providing pump energy in a plurality of pump wavelengths. The pump source provides sufficient pump energy in each pump wavelength to stimulate Raman scattering/gain in the optical fiber within the signal wavelength range. The pump wavelengths are selected such that the combined Raman gain resulting from the pump energy supplied by each pump wavelength produces a desired signal variation profile in the signal wavelength range. In addition, the pump energy supplied by at least one of the pump wavelengths can be varied to produce a controlled signal intensity variation profile over the signal wavelength range in the optical fiber.Type: GrantFiled: February 19, 1999Date of Patent: February 5, 2002Assignee: Corvis CorporationInventors: Stephen G. Grubb, Raymond Zanoni, Thomas D. Stephens, Deepak Boggavarapu, Ruxiang Jin