Patents by Inventor Neil A. Krueger

Neil A. Krueger 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).

  • Patent number: 10823668
    Abstract: An apparatus is provided. The apparatus comprises a substrate; a low index of refraction region in or on the substrate; an optical waveguide; a cover; wherein at least a portion of the low index of refraction region and the optical waveguide are hermetically sealed under the cover; a chamber formed by the low index of refraction region and the cover; atoms; an environment, in the chamber, including the atoms and having a first index of refraction; a segment of the optical waveguide formed over the low index of refraction region and within the chamber; and wherein the segment has a second index of refraction which is substantially equal to the first index of refraction.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 3, 2020
    Assignee: Honeywell International Inc.
    Inventors: Karl D. Nelson, Matthew Wade Puckett, Neil Krueger
  • Publication number: 20200334484
    Abstract: An optomechanical device for modulating an optical signal for reducing thermal noise and tracking mechanical resonance of a proof mass assembly comprises a circuit configured to receive, from a light-emitting device, the optical signal and modulate the optical signal to remove thermal noise and to drive a mechanical response frequency to the mechanical resonance of the proof mass assembly using a cooling feedback signal and a mechanical resonance feedback signal. The circuit is further configured to generate, using the modulated optical signal, the cooling feedback signal to correspond to a thermal noise signal of the modulated optical signal with a total loop gain of zero and a phase difference of 180 degrees and generate, using the modulated optical signal, the mechanical resonance feedback signal to drive the mechanical response frequency of the modulated optical signal to the mechanical resonance.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 22, 2020
    Inventors: Joshua Dorr, Chad Fertig, Arthur Savchenko, Steven Tin, Neil Krueger
  • Publication number: 20200309524
    Abstract: This disclosure is related to devices, systems, and techniques for determining, using an electro-opto-mechanical accelerometer system, a frequency value in order to determine an acceleration value. For example, an accelerometer system includes a light-emitting device configured to emit an optical signal and a circuit. The circuit is configured to determine a frequency value corresponding to the optical signal and determine an acceleration value based on the frequency value. Additionally, the accelerometer system includes a housing that encloses the light-emitting device, the circuit, and Helium gas, where the Helium gas defines a partial pressure within a range between 0.1 torr and 760 torr.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Applicant: Honeywell International Inc.
    Inventors: Chad Fertig, Arthur Savchenko, Steven Tin, Neil Krueger, Joshua Dorr
  • Publication number: 20200309812
    Abstract: This disclosure is related to devices, systems, and techniques for determining, using an electro-opto-mechanical accelerometer system, a frequency value in order to determine an acceleration value. For example, an accelerometer system includes a light-emitting device configured to emit an optical signal and a circuit. The circuit is configured to modulate, using a modulating device, the optical signal to produce a modulated optical signal, receive, using a photoreceiver, the modulated optical signal, convert, using the photoreceiver, the modulated optical signal into an electrical signal, process the electrical signal to obtain a processed electrical signal, and transmit the processed electrical signal to the modulating device, where the modulating device is configured to modulate the optical signal based on the processed electrical signal. Additionally, the circuit is configured to determine, based on the processed electrical signal, a frequency value.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Inventors: Chad Fertig, Arthur Savchenko, Joshua Dorr, Neil Krueger, Steven Tin
  • Publication number: 20200295422
    Abstract: An embodiment of an optical structure includes a core having first and second ends and a first side with a first grating profile having a first phase shift distributed between the first and second ends, and a cladding disposed around the core. Such an optical structure can be used in an electro-optic modulator (EOM), and can render the EOM smaller in size than currently available EOMs.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 17, 2020
    Applicant: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil A. Krueger
  • Patent number: 10768364
    Abstract: In one example, a chip-scale emitter includes a resonator formed in a waveguide, wherein the resonator includes a first grating formed in the waveguide and a second grating formed in the waveguide that is separate from the first grating; and a scattering element consisting of a single defect in the waveguide, wherein the scattering element is positioned between the first grating and the second grating in the waveguide.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 8, 2020
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil A. Krueger
  • Patent number: 10705112
    Abstract: An optomechanical device comprising a circuit configured to generate an optical signal using a tuning signal and modulate the optical signal at a frequency corresponding to one quarter of a Full Width at Half Maximum (FWHM) of an optical resonance of the proof mass assembly to generate a partially modulated optical signal. The circuit being further configured to filter the partially modulated optical signal to remove a central carrier from the partially modulated optical signal to generate a filtered optical signal, modulate the filtered optical signal to generate a modulated optical signal driven to the mechanical resonance of the proof mass assembly, and generate the tuning signal using a difference between a DC intensity level of a first optical frequency component in the modulated optical signal and a DC intensity level of a second optical frequency component in the modulated optical signal.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 7, 2020
    Assignee: Honeywell International Inc.
    Inventors: Joshua Dorr, Chad Fertig, Arthur Savchenko, Neil Krueger, Steven Tin
  • Patent number: 10678072
    Abstract: A method is provided. The method comprises: injecting an optical carrier signal into an unbent optical waveguide between two reflectors, where the distance between two reflectors in the center of the two reflectors is substantially zero and the two reflectors undergo substantially a ? phase shift where the two reflectors are adjacent; creating standing waves between the two reflectors in the center, and a single resonance due to constructive interference; applying a varying electric field across the unbent optical waveguide centered between two reflectors and extending a length less than or equal to a combined length of the two reflectors; and generating a modulated carrier signal at at least one of an input and an output of the unbent optical waveguide between the two reflectors.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: June 9, 2020
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil Krueger
  • Publication number: 20200072609
    Abstract: A method is provided. The method comprises: receiving a first optical signal and a second optical signal; injecting the first optical signal into an optical resonator so that the first optical signal propagates in a first direction through the optical resonator; injecting the second optical signal into the optical resonator so that the second optical signal propagates in a second direction through the optical resonator, which is opposite to the first direction; filtering an optical signal propagating in the first direction of the optical resonator with a first common polarizer having the first polarization; and filtering an optical signal propagating in the second direction of the optical resonator with the first common polarizer.
    Type: Application
    Filed: September 4, 2018
    Publication date: March 5, 2020
    Applicant: Honeywell International Inc.
    Inventors: Neil A. Krueger, Tiequn Qiu, Lee K. Strandjord, Glen A. Sanders
  • Patent number: 10534136
    Abstract: An optical coupler comprises a waveguide structure including a first waveguide layer having proximal and distal ends, the first waveguide layer including a first pair of waveguides that extend from the proximal end along a first portion, wherein the first pair of waveguides each widen along a second portion such that the first pair of waveguides merge into a single waveguide. A second waveguide layer is separated from the first waveguide layer, with the second waveguide layer having proximal and distal ends, the second waveguide layer including a second pair of waveguides that extend from the proximal end of the second waveguide layer along a first portion of the second waveguide layer, wherein the second pair of waveguides each narrow along a second portion of the second waveguide layer to separate distal tips. The waveguide structure matches an integrated photonics mode to a fiber mode supported by an optical fiber.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: January 14, 2020
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Jianfeng Wu, Neil A. Krueger
  • Patent number: 10481328
    Abstract: An optical phased array comprises a substrate layer having a substantially planar surface, a plurality of emitters on the surface of the substrate, and at least one cladding layer over the emitters. A plurality of optics components coupled to the cladding layer is located a predetermined distance away from the emitters, with the optics components in optical communication with the emitters. The optics components comprise a first set of optics configured for angular correction of light beams emitted from the emitters, and a second set of optics separated from the first set of optics, the second set of optics configured for divergence enhancement of the light beams transmitted from the first set of optics. Alternatively, the optics components comprise a combined set of optics configured for angular correction of light beams emitted from the emitters, and for divergence enhancement of the light beams transmitted from the combined set of optics.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: November 19, 2019
    Assignee: Honeywell International Inc.
    Inventors: Neil A. Krueger, Matthew Wade Puckett
  • Publication number: 20190331913
    Abstract: An emitter configuration layout for an optical phased array comprises a plurality of emitters arranged around a perimeter, and a plurality of waveguides, with each of the waveguides respectively coupled to one of the emitters. The plurality of emitters are operative to generate a single far-field peak.
    Type: Application
    Filed: March 20, 2019
    Publication date: October 31, 2019
    Applicant: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil A. Krueger
  • Publication number: 20190323952
    Abstract: An apparatus is provided. The apparatus comprises a substrate; a low index of refraction region in or on the substrate; an optical waveguide; a cover; wherein at least a portion of the low index of refraction region and the optical waveguide are hermetically sealed under the cover; a chamber formed by the low index of refraction region and the cover; atoms; an environment, in the chamber, including the atoms and having a first index of refraction; a segment of the optical waveguide formed over the low index of refraction region and within the chamber; and wherein the segment has a second index of refraction which is substantially equal to the first index of refraction.
    Type: Application
    Filed: April 24, 2018
    Publication date: October 24, 2019
    Applicant: Honeywell International Inc.
    Inventors: Karl D. Nelson, Matthew Wade Puckett, Neil Krueger
  • Patent number: 10451806
    Abstract: An optical frequency comb generator device is disclosed. In one implementation, the optical frequency comb generator device comprises a bus waveguide, at least a first optical ring resonator optically coupled to the bus waveguide, and at least a first grating located on the first optical ring resonator opposite from the bus waveguide. The first optical ring resonator and the first grating are configured to generate counter-propagating optical frequency combs that are offset from each other at a controllable bandwidth.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: October 22, 2019
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil A. Krueger, Jianfeng Wu
  • Patent number: 10429187
    Abstract: A method comprises: receiving a first optical signal and a second optical signal; injecting a portion of the first optical signal into an optical resonator; injecting a portion of the second optical signal into the optical resonator, where the first optical signal and the second optical signal propagate in opposite directions in the optical resonator; emitting a portion of the first optical signal; emitting a portion of the second optical signal; coupling, by free space optics, a portion of the emitted first optical signal to a first power detector; coupling, by free space optics, a portion of the emitted second optical signal to a second power detector; adjusting the power level of the received first optical signal based upon a first detected power level detected by the first power detector; and adjusting the power level of the received second optical signal based upon a second detected power level detected by the second power detector.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 1, 2019
    Assignee: Honeywell International Inc.
    Inventors: Glen A. Sanders, Lee K. Strandjord, Neil A. Krueger, Edward Summers, Clarence Eugene Laskoskie
  • Patent number: 10424441
    Abstract: An ultra-high charge density electret is disclosed. The ultra-high charge density electret includes a three-dimensional structure having a plurality of sidewalls. A porous silicon dioxide film is formed on the plurality of sidewalls, and the porous silicon dioxide film is charged with a plurality of positive or negative ions.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: September 24, 2019
    Assignee: Honeywell International Inc.
    Inventors: Steven Tin, Neil Krueger
  • Patent number: 10415971
    Abstract: Bias error in a resonant fiber optic gyroscope (RFOG) is diminished by reducing polarization mismatch between a polarization Eigenstate of optical signals propagating inside of a resonator of the RFOG and the polarization of optical signals being injected into the resonator of the RFOG. The polarization mismatch is reduced by filtering the optical signals circulating in the resonator and the optical signals injected into the resonator with common polarizers.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: September 17, 2019
    Assignee: Honeywell International Inc.
    Inventors: Neil Krueger, Mary Salit, Barbara Vizenor, Glen A. Sanders, Lee K. Strandjord, Tiequn Qiu
  • Patent number: 10375855
    Abstract: Systems and methods for zero power automatic thermal regulation are provided. In one embodiment, a method for passive thermal management comprises: establishing thermal conductivity between a self-heating electronic device and a cooling fluid held within a fluid reservoir via a thermal interface; using thermally controlled expansion of the cooling fluid, controlling a length of a column of the cooling fluid extending into at least one channel extending from the fluid reservoir, wherein the channel provides a non-recirculating path for the cooling fluid to expand into, and wherein the length of a column of the cooling fluid is thermally controlled using heat absorbed by the cooling fluid from the self-heating electronic device; and selectively establishing a primary heat path between the electronic device and a heat sink interface thermally coupled to an external environment as a function of the length of the column of the cooling fluid within the channel.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: August 6, 2019
    Assignee: Honeywell International Inc.
    Inventors: Chad Fertig, Karl D. Nelson, Joshua Dorr, Steven Tin, Neil A Krueger
  • Publication number: 20190227350
    Abstract: A method is provided. The method comprises: injecting an optical carrier signal into an unbent optical waveguide between two reflectors, where the distance between two reflectors in the center of the two reflectors is substantially zero and the two reflectors undergo substantially a ? phase shift where the two reflectors are adjacent; creating standing waves between the two reflectors in the center, and a single resonance due to constructive interference; applying a varying electric field across the unbent optical waveguide centered between two reflectors and extending a length less than or equal to a combined length of the two reflectors; and generating a modulated carrier signal at at least one of an input and an output of the unbent optical waveguide between the two reflectors.
    Type: Application
    Filed: April 18, 2018
    Publication date: July 25, 2019
    Applicant: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil Krueger
  • Patent number: 10359650
    Abstract: A method is provided. The method comprises: injecting an optical carrier signal into an unbent optical waveguide between two reflectors, where the distance between two reflectors in the center of the two reflectors is substantially zero and the two reflectors undergo substantially a ? phase shift where the two reflectors are adjacent; creating standing waves between the two reflectors in the center, and a single resonance due to constructive interference; applying a varying electric field across the unbent optical waveguide centered between two reflectors and extending a length less than or equal to a combined length of the two reflectors; and generating a modulated carrier signal at at least one of an input and an output of the unbent optical waveguide between the two reflectors.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 23, 2019
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil Krueger