Patents Assigned to Cheetah Omni, LLC
  • Publication number: 20070101398
    Abstract: An all-digital display system includes an electronic processor that is operable to receive an internet protocol video packet and to generate a control signal based at least in part on the internet protocol video packet. In one particular embodiment, the electronic processor includes at least a header processor, a CPU electronic processor, and a display processor unit. The all-digital display system also includes one or more light sources capable of generating one or more optical signals and one or more light modulating chips. The one or more light modulating chips are operable to receive the one or more optical signals and to modulate the one or more optical signals based at least in part on the control signal. The all-digital display system further comprises one or more display screens operable to receive the modulated signals communicated from the light modulating chips.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 3, 2007
    Applicant: Cheetah Omni, LLC
    Inventor: Mohammed Islam
  • Patent number: 7209657
    Abstract: In one embodiment, a router includes a plurality of line cards each operable to receive at least one packet comprising an identifier associated with a destination element external to the router. Each line card includes a look-up table operable to facilitate routing the received packet toward the destination element based at least in part on the identifier. The router further includes a plurality of optical transmitters each associated with one of the line cards and operable to generate at a specified wavelength an optical router signal comprising at least a portion of the packet received by the line card associated with that optical transmitter. The router also includes a star switching fabric operable to receive a plurality of optical router signals from the plurality of optical transmitters and to communicate to each of a plurality of tunable filters a substantially similar set of at least some of the plurality of optical router signals.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: April 24, 2007
    Assignee: Cheetah Omni, LLC
    Inventor: Mohammed N. Islam
  • Publication number: 20070086780
    Abstract: A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality of semiconductor optical amplifiers located on a single semiconductor substrate. The plurality of semiconductor optical amplifiers operable to perform an optical switching operation on at least one of the optical signal wavelengths. The switching element also includes a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor optical amplifiers.
    Type: Application
    Filed: November 30, 2006
    Publication date: April 19, 2007
    Applicant: Cheetah Omni, LLC
    Inventor: Mohammed Islam
  • Publication number: 20070036546
    Abstract: In one embodiment, a scheduler for use with a star switching fabric includes a scheduling star switching fabric operable to receive a plurality of packets each associated with one of a plurality of wavelengths and a plurality of selecting elements associated with the scheduling star switching fabric. Each of the plurality of selecting elements is operable to contribute to selectively passing packets from the scheduling star switching fabric for receipt by a transmission star switching fabric. Packets received at the transmission star switching fabric over a given time period comprise a more uniform load distribution than packets received at an input to the scheduler over the same period of time.
    Type: Application
    Filed: September 13, 2006
    Publication date: February 15, 2007
    Applicant: Cheetah Omni, LLC
    Inventor: Mohammed Islam
  • Patent number: 7145704
    Abstract: A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality of semiconductor optical amplifiers located on a single semiconductor substrate. The plurality of semiconductor optical amplifiers operable to perform an optical switching operation on at least one of the optical signal wavelengths. The switching element also includes a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor optical amplifiers.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: December 5, 2006
    Assignee: Cheetah Omni, LLC
    Inventor: Mohammed N. Islam
  • Patent number: 7142347
    Abstract: An optical processing system includes an amplifier, a receiving device, an electronic processor, and a transmitting device. The receiving device includes a first wave-guide based router and an array of detectors. The array of detectors receives the first optical signals and converts the first optical signals into an electrical signal. The transmitting device includes an optical switching array that is receives the second optical signals and to perform an optical switching operation on the second optical signals. The transmitting device also includes a second wave-guide based router that is operable to receive the second optical signals and to combine the second optical signals into an output optical signal. In one particular embodiment, the first wave-guide based router and the array of detectors are co-located on a first semiconductor substrate, and the array of modulators and the second wave-guide based router are co-located on a second semiconductor substrate.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: November 28, 2006
    Assignee: Cheetah Omni, LLC
    Inventor: Mohammed N. Islam
  • Patent number: 7136588
    Abstract: In one aspect of the invention, an apparatus operable to facilitate add/drop multiplexing of optical signals includes an input operable to receive an input optical signal and an added optical signal, the input operable to generate a first and a second copy of the input signal and a first and a second copy of the added signal. The apparatus further includes a plurality of at least substantially reflective surfaces, each operable to receive either the first signal copies or the second signal copies and to reflect the copies for ultimate combination at an output to form an output signal for transmission. At least one of the at least substantially reflective surfaces comprises a moveable mirror operable to change its position relative to the input to create a phase shift between the first and second signal copies so that either the input optical signal or the added optical signal is communicated as the output signal depending on the position of the at least one moveable mirror.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: November 14, 2006
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 7116862
    Abstract: In one aspect of the invention, a gain equalizer comprises a wavelength division demultiplexer operable to separate one or more communication bands into a plurality of wavelengths and an array of phase shifter stages. Each phase shifter stage comprises a micro-electro-optic system (MEMS) device comprising a moveable mirror layer operable to receive a first copy of an input signal from a beam splitter and to reflect the first copy of the input signal for combination with a second copy of the input signal at an output to form an output signal. The moveable mirror layer is displaceable in a substantially piston-like motion to introduce a phase shift between the first and second signal copies at the output, the amplitude of the output signal varying depending on the displacement of the moveable mirror layer.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: October 3, 2006
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 7110671
    Abstract: In one embodiment, a scheduler for use with a star switching fabric includes a scheduling star switching fabric operable to receive a plurality of packets each associated with one of a plurality of wavelengths and a plurality of selecting elements associated with the scheduling star switching fabric. Each of the plurality of selecting elements is operable to contribute to selectively passing packets from the scheduling star switching fabric for receipt by a transmission star switching fabric. Packets received at the transmission star switching fabric over a given time period comprise a more uniform load distribution than packets received at an input to the scheduler over the same period of time.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: September 19, 2006
    Assignee: Cheetah Omni, LLC
    Inventor: Mohammed N. Islam
  • Patent number: 6972886
    Abstract: In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly from the inner conductive layer and operable to receive an input optical signal, wherein none of the plurality of strips has a width greater than 40 microns. At least some of the strips are operable to undergo a partial rotation in response to a control signal, the partial rotation resulting in a diffraction of the input optical signal wherein a majority of the diffracted input signal is communicated in one direction.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: December 6, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6950225
    Abstract: An optical switch element is described, which includes a fixed layer disposed outwardly from a substrate and a movable mirror assembly disposed outwardly from the fixed layer. The moveable mirror assembly is operable to move relative to the fixed layer responsive to a voltage applied to the movable mirror assembly. In a particular embodiment, the movable mirror assembly includes an inner strip spaced apart from the fixed layer by a first distance and an outer strip disposed approximately adjacent to the inner strip and spaced apart from the fixed layer by a second distance which is greater than the first distance. The optical transmission of the optical switch element changes depending on the position of the movable mirror assembly.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: September 27, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6943925
    Abstract: A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality of semiconductor optical amplifiers located on a single semiconductor substrate. The plurality of semiconductor optical amplifiers operable to perform an optical switching operation on at least one of the optical signal wavelengths. The switching element also includes a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor optical amplifiers.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: September 13, 2005
    Assignee: Cheetah Omni, LLC
    Inventor: Mohammed N. Islam
  • Patent number: 6940647
    Abstract: In one aspect of the invention, a polarization controller includes a first polarization beam splitter operable to receive an input optical signal having an input state of polarization and to separate the signal into a first and a second principal mode of polarization. The polarization controller further includes at least three stages of phase shifters each operable to introduce a phase shift between the first and second principal modes, at least one phase shifter comprising a beam splitter that is shared with at least one other of the phase shifters. The at least three stages of phase shifters include a first stage coupled to the first polarization beam splitter and a last stage coupled to a second polarization beam splitter. The second polarization beam splitter is operable to receive phase shifted copies of the first and second principal modes, and to align the phase shifted copies of the principal modes to an output state of polarization.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: September 6, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6900919
    Abstract: In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly from the inner conductive layer and operable to receive an input optical signal, wherein none of the plurality of strips has a width greater than 40 microns. At least some of the strips are operable to undergo a partial rotation in response to a control signal, the partial rotation resulting in a diffraction of the input optical signal wherein a majority of the diffracted input signal is communicated in one direction.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: May 31, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6888661
    Abstract: A tunable optical device includes a thin film device. The thin film device includes a plurality of cavities each including an electro-optic material. The electro-optic material includes an optical characteristic capable of being manipulated by application of an electric field. In this embodiment, at least some of the plurality of cavities are coherently coupled to others of the plurality of cavities. In this embodiment, the plurality of cavities include a sufficient number of cavities to result in an approximately square frequency response for the device.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: May 3, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6882771
    Abstract: In one aspect of the invention, a gain equalizer comprises a wavelength division demultiplexer operable to separate one or more communication bands into a plurality of wavelengths and an array of phase shifter stages. Each phase shifter stage comprises a micro-electro-optic system (MEMS) device comprising a moveable mirror layer operable to receive a first copy of an input signal from a beam splitter and to reflect the first copy of the input signal for combination with a second copy of the input signal at an output to form an output signal. The moveable mirror layer is displaceable in a substantially piston-like motion to introduce a phase shift between the first and second signal copies at the output, the amplitude of the output signal varying depending on the displacement of the moveable mirror layer.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: April 19, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6859301
    Abstract: An optical switch element is described, which includes a fixed layer disposed outwardly from a substrate and a movable mirror assembly disposed outwardly from the fixed layer. The moveable mirror assembly is operable to move relative to the fixed layer responsive to a voltage applied to the movable mirror assembly. In a particular embodiment, the movable mirror assembly includes an inner strip spaced apart from the fixed layer by a first distance and an outer strip disposed approximately adjacent to the inner strip and spaced apart from the fixed layer by a second distance which is greater than the first distance. The optical transmission of the optical switch element changes depending on the position of the movable mirror assembly.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: February 22, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6856459
    Abstract: In one aspect of the invention, a polarization controller includes a first polarization beam splitter operable to receive an input optical signal having an input state of polarization and to separate the signal into a first and a second principal mode of polarization. The polarization controller further includes at least three stages of phase shifters each operable to introduce a phase shift between the first and second principal modes, at least one phase shifter comprising a beam splitter that is shared with at least one other of the phase shifters. The at least three stages of phase shifters include a first stage coupled to the first polarization beam splitter and a last stage coupled to a second polarization beam splitter. The second polarization beam splitter is operable to receive phase shifted copies of the first and second principal modes, and to align the phase shifted copies of the principal modes to an output state of polarization.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: February 15, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6847479
    Abstract: In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly from the inner conductive layer and operable to receive an input optical signal, wherein none of the plurality of strips has a width greater than 40 microns. At least some of the strips are operable to undergo a partial rotation in response to a control signal, the partial rotation resulting in a diffraction of the input optical signal wherein a majority of the diffracted input signal is communicated in one direction.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: January 25, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher
  • Patent number: 6844974
    Abstract: In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly from the inner conductive layer and operable to receive an input optical signal, wherein none of the plurality of strips has a width greater than 40 microns. At least some of the strips are operable to undergo a partial rotation in response to a control signal, the partial rotation resulting in a diffraction of the input optical signal wherein a majority of the diffracted input signal is communicated in one direction.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: January 18, 2005
    Assignee: Cheetah Omni, LLC
    Inventors: Mohammed N. Islam, Amos Kuditcher