Patents by Inventor John N. Hait

John N. Hait 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).

  • Publication number: 20020085206
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: July 4, 2002
    Inventor: John N. Hait
  • Publication number: 20020085742
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: July 4, 2002
    Inventors: Arkady S. Bablumyan, John N. Hait
  • Publication number: 20020085265
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: July 4, 2002
    Inventors: John N. Hait, Robert L. Carter, Ronald E. Preston
  • Publication number: 20020085205
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: July 4, 2002
    Inventors: Arkady S. Bablumyan, John N. Hait
  • Publication number: 20020080361
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventors: Arkady S. Bablumyan, John N. Hait
  • Publication number: 20020080360
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventors: Arkady S. Bablumyan, John N. Hait
  • Publication number: 20020080436
    Abstract: An encoding and decoding method and apparatus support high speed multiplexing with a resolution of up to a single wavelength, in the speed range appropriate for photonic signal processing. Signals are split into daughter signals, having the exact wave form, absent amplitude equality, of the parent. Daughter signals may be serialized by a delay, spacing one daughter after another. A decoder splits the daughter signals into granddaughter signals and recombines them to provide noninterference, constructive interference, and destructive interference. By detection of photonic interference, a reconstituted output pulse may be formed, completely regenerating all information from the original signal. Pulse shaping may be accomplished by overlapping the times at which coherent daughter pulses exist. Overlaps between various daughter pulses may be used to provide amplitude increases in areas of interference having substantially reduced pulse durations, while lesser amplitudes remain elsewhere.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventor: John N. Hait
  • Publication number: 20020080450
    Abstract: An encoding and decoding method and apparatus support high speed multiplexing with a resolution of up to a single wavelength, in the speed range appropriate for photonic signal processing. The apparatus can support unbundling of sequential data patterns (such as packets etc.) down to an atomic level and rebundling for an arbitrary distribution pattern, with minimal overhead. A photonic encoder may encode at a rate governed by the cycle time of a photonic wave modulated in a domain selected from phase, frequency, amplitude, polarization, spread spectrum in time or frequency, or any combination thereof. Signals are split into daughter signals, having the exact wave form, absent amplitude equality, of the parent. Daughter signals may be serialized by a delay, spacing one daughter after another. A decoder splits the daughter signals into granddaughter signals and recombines them to provide noninterference, constructive interference, and destructive interference.
    Type: Application
    Filed: December 27, 2000
    Publication date: June 27, 2002
    Inventor: John N. Hait
  • Patent number: 6407848
    Abstract: Multi-domain, phase-compensated, differential-coherence detection of photonic signals for interferometric processes and devices may be manufactured holographically and developed in situ or with an automatic registration between holograms and photonic sources in a single frame. Photonic or electronic post processing may include outputs from a cycling or rotation between differently phased complementary outputs of constructive and destructive interference. A hyper-selective, direct-conversion, expanded-bandpass filter may rely on an expanded bandpass for ease of filtering, with no dead zones for zero beat frequency cases. A hyper-heterodyning, expanded bandpass system may also provide improved filtering and signal-to-noise ratios. An ultra-high-resolution, broadband spectrum analyzer may operate in multiple domains, including complex “fingerprints” of phase, frequency, and other parameters.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: June 18, 2002
    Assignee: All Optical Networks, Inc.
    Inventors: Arkady S. Bablumyan, Dmitry Berger, John N. Hait, Bruce E. Smith
  • Publication number: 20020018259
    Abstract: Separation of synchronization pulses from data pulses in a combination time and wave-length division multiplexing system. Delayed and phase-shifted copies of the serial multiplexed signal are recombined through an interferometer, producing synchronization pulses which constructively intensify, while the data pulses destructively attenuate to fall below a threshold value. By this method, a phase angle of the synchronization pulses may be chosen to be different than that of the data pulses. Synchronization pulses may have a different polarization than the data pulses, enabling separation of the synchronization pulses through the use of polarized filters. The signal comprising the separated synchronization pulses may subsequently be used within a demultiplexer to facilitate extraction of the data pulses from the serial multiplexed signal into a parallel output.
    Type: Application
    Filed: September 13, 2001
    Publication date: February 14, 2002
    Inventor: John N. Hait
  • Publication number: 20020003642
    Abstract: A method and apparatus are hereby disclosed for a combination photonic time and wavelength division multiplexer. Parallel digital inputs of quantity “n” are input into “n” modulator loaders for loading into “n” photonic modulators, each having a setup time required to provide a stable modulation state. Subsequently, a photonic pulse of a specified frequency reads the modulation state of each of the “n” photonic modulators. The “n” modulation states may then be processed by “n” delay mechanisms to time the modulation states into a serial multiplexed output comprising a series of synchronizing pulses and data digits. Several parallel digital to serial multiplexers, operating at distinct frequencies, may be used in parallel or in series to comprise a wavelength division multiplexer in accordance with the invention.
    Type: Application
    Filed: February 16, 2001
    Publication date: January 10, 2002
    Inventor: John N. Hait
  • Publication number: 20010019437
    Abstract: A method and apparatus are hereby disclosed for a combination photonic time and wavelength-division demultiplexer. A serial photonic signal comprising sets of synchronizing pulses and “n” sets of data pulses is received at the input of the demultiplexer. A pulse separator separates the synchronization pulses from the serial photonic signal to be transmitted to “n” photonic gates. A series of “n” delay mechanisms in a parallel configuration also receive the serial photonic signal and delay the signals such that the “n” sets of data pulses coincide with the timing of the synchronization pulses. The “n” photonic gates receive the “n” sets of data signals and the synchronization pulses simultaneously, thereby passing only the “n” sets of data signals and providing parallel photonic data or the parallel electronic data may be remultiplexed.
    Type: Application
    Filed: March 16, 2001
    Publication date: September 6, 2001
    Inventor: John N. Hait
  • Publication number: 20010017720
    Abstract: A method and apparatus are hereby disclosed for a combination photonic time and wavelength-division demultiplexer. A serial photonic signal comprising sets of synchronizing pulses and “n” sets of data pulses is received at the input of the demultiplexer. A pulse separator separates the synchronization pulses from the serial photonic signal to be transmitted to “n” photonic gates. A series of “n” delay mechanisms in a parallel configuration also receive the serial photonic signal and delay the signals such that the “n” sets of data pulses coincide with the timing of the synchronization pulses. The “n” photonic gates receive the “n” sets of data signals and the synchronization pulses simultaneously, thereby passing only the “n” sets of data signals and providing parallel photonic data or the parallel electronic data may be remultiplexed.
    Type: Application
    Filed: March 16, 2001
    Publication date: August 30, 2001
    Inventor: John N. Hait
  • Publication number: 20010017721
    Abstract: A method is hereby disclosed for a combination photonic time and wavelength division multiplexing method. Parallel digital inputs of quantity “n” are input into “n” modulator loaders for loading into “n” photonic modulators, each having a setup time required to provide a stable modulation state. Subsequently, a photonic pulse of a specified frequency reads the modulation state of each of the “n” photonic modulators. The “n” modulation states may then be processed by “n” delay mechanisms to time the modulation states into a serial multiplexed output comprising a series of synchronizing pulses and data digits. Several parallel digital to serial multiplexers, operating at distinct frequencies, may be used in parallel or in series to comprise a wavelength division multiplexer in accordance with the invention.
    Type: Application
    Filed: March 16, 2001
    Publication date: August 30, 2001
    Inventor: John N. Hait
  • Patent number: 6265707
    Abstract: Pattern-recognition computing can be accomplished using wave-type or other types of energy. In pattern-recognition computing which uses a plurality of wave-type energy input patterns modulated with quantized information, energy from the patterns combines to produce interference-based dynamic images. Component parts of a dynamic image are separated and recombined to produce logic and other computing process outputs. To produce a coordinated set of optics for pattern-recognition computing, waveforms at pixel-sized image components of the dynamic image are chosen to become contributors to the combined output if they will contribute (or can be modified to contribute) in a positive manner to a combined output waveform that obeys the logic rules of the device being produced. Iterative changes in input pattern characteristics are used to optimize the coordinated optics. Pattern-recognition computing can also use special interference and frequency-multiplexed logic.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: July 24, 2001
    Assignee: All Optical Networks, Inc.
    Inventor: John N. Hait
  • Patent number: 6256124
    Abstract: A delayed-pulse photonic time division multiplexer which provides a parallel digital data to photonic serial conversion is disclosed. Modifications which provide wavelength division multiplexing are also included. A series of input pulses of photonic energy are directed into an output as sync pulses. The input pulses are also directed into a group of n optical modulators to read parallel digital data that has been loaded into the modulators. Modulator outputs are delayed by digit-transmission-time intervals and directed into the output as serial data between the sync pulses. Input pulses are also used to trigger the loading of the next data set into the modulators during the time that the previous data set is being transmitted in serial. The invention can send serial data at the maximum speed of optical components while using data from slower electronic components.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 3, 2001
    Assignee: All Optical Networks, Inc.
    Inventor: John N. Hait
  • Patent number: 5835246
    Abstract: A means, method and apparatus for producing a parallel addressable set of images by modulating a set of input beams with addressing information, and projecting the energy from a three-dimensional array of first pixel locations which decode in parallel to produce an interference image at the location of a second three-dimensional array of pixel locations, energizing at least one of the second pixels. Each image corresponds with an input address. A subset of addresses, projection surface configurations, and images exhibit useful synergistic relationships. These are used to address a ROM, RAM, or content addressable memory, provide a visual display of selected images, iterate in a series to produce four dimensional computing, integrate information from multiple energy forms, and accomplish signal processing and channel switching.
    Type: Grant
    Filed: March 12, 1995
    Date of Patent: November 10, 1998
    Assignee: Rocky Mountain Research Center
    Inventor: John N. Hait
  • Patent number: 5770854
    Abstract: Pattern-recognition computing can be accomplished using wave-type or other types pf energy. In pattern-recognition computing which uses a plurality of wave-type energy input patterns modulated with quantized information, energy from the patterns combines to produce interference-based dynamic images. Component parts of a dynamic image are separated and recombined to produce logic and other computing process outputs. To produce a coordinated set of optics for pattern-recognition computing, waveforms at pixel-sized image components of the dynamic image are chosen to become contributors to the combined output if they will contribute (or can be modified to contribute) in a positive manner to a combined output waveform that obeys the logic rules of the device being produced. Iterative changes in input pattern characteristics are used to optimize the coordinated optics. Pattern-recognition computing can also use special interference and frequency-multiplexed logic.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: June 23, 1998
    Assignee: Rocky Mountain Research Center
    Inventor: John N. Hait
  • Patent number: 5726804
    Abstract: A means and method for phase stabilization and sorting of wavetrains of electromagnetic energy comprising: splitting an input beam into a plurality of intermediate beams; directing the intermediate beams along separate delay paths so that wavetrains from the delayed beams overlap each other and bridge gaps between wavetrains; producing interference with the delayed beams at a plurality of locations at an image component separator, and separating energy at each location, phase-adjusting and directing it into at least one output, thereby providing a wavetrain phase stabilizer having a substantially constant phase output by phase-matching overlapping wavetrains. Multiple outputs may be added to facilitate wavetrain sorting. Inserting the invention into the feedback path of a laser provides phase-stabilized continuous-wave laser light.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: March 10, 1998
    Assignee: Rocky Mountain Research Center
    Inventor: John N. Hait
  • Patent number: 5691532
    Abstract: A means and method of photonic heterodyning wherein at least one photonic beam set having fundamental frequencies to be heterodyned is used to produce a dynamic interference image that is projected onto an image component separator. Energy from selected portions of the dynamic image is separated into at least one output. Energy components within the dynamic image move relative to the separating locations as determined by the fundamental input frequencies. This causes intermodulation of the input signals and the development of energy at the sideband frequencies in the output(s). Special Interference is also used to provide amplified photonic heterodyning.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: November 25, 1997
    Inventor: John N. Hait