Inventor
KOWALEVICZ ANDREW
US63 patents
Patents
50 patentsUS10924189B2Feb 16, 2021
Constant envelope path-dependent phase modulation
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US10554306B1Feb 4, 2020
Constant envelope path-dependent phase modulation
RAYTHEON CO16 citations94
US10374743B2Aug 6, 2019
Systems and methods for demodulation of wave division multiplexed optical signals
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US10313022B2Jun 4, 2019
Active demodulation systems and methods for optical signals
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US10305602B2May 28, 2019
Demodulation of QAM modulated optical beam using Fabry-Perot etalons and microring demodulators
RAYTHEON CO23 citations94
US10256917B2Apr 9, 2019
Optically sensed demodulation systems and methods for optical communications
RAYTHEON CO23 citations94
US10250292B2Apr 2, 2019
Optical rake receiver using an etalon detector
RAYTHEON CO23 citations94
US10243673B2Mar 26, 2019
Frequency demodulation systems and methods for optical signals
RAYTHEON CO22 citations94
US10243670B2Mar 26, 2019
Optical signal processing using an optical resonator
RAYTHEON CO22 citations94
US10225020B2Mar 5, 2019
Systems and methods for demodulation of PSK modulated optical signals
RAYTHEON CO24 citations94
US10205526B2Feb 12, 2019
Methods and systems for reducing noise in optoelectronic oscillators
RAYTHEON CO20 citations94
US10177856B2Jan 8, 2019
Systems and methods for demodulation of phase modulated optical signals
RAYTHEON CO25 citations94
US10164765B2Dec 25, 2018
Receivers and method for detecting a non-persistent communication superimposed on an overt communication channel
RAYTHEON CO25 citations94
US9973281B2May 15, 2018
Systems and methods for demodulation of free space optical signals without wavefront correction
RAYTHEON CO30 citations94
US9887779B2Feb 6, 2018
Methods and systems for reducing noise in optoelectronic oscillators
RAYTHEON CO23 citations94
US9171219B2Oct 27, 2015
Methods and apparatus for image fusion
RAYTHEON CO19 citations93
US9018575B2Apr 28, 2015
Non-retroreflective optical threat detection system and methods having an imaging detector aligned with a tilted image plane to reconstruct an image from plural image slices
RAYTHEON CO21 citations90
US11349569B2May 31, 2022
Methods and apparatus for implementing an optical transceiver using a vapor cell
RAYTHEON CO9 citations86
US11159245B2Oct 26, 2021
Methods and apparatus for cavity angle tuning for operating condition optimization
RAYTHEON CO13 citations86
US11159244B2Oct 26, 2021
Methods and apparatus for frequency shift keying for optical communication
RAYTHEON CO13 citations86
US11133873B1Sep 28, 2021
Method for a polarization-state independent complex optical receiver
RAYTHEON CO17 citations86
US11101896B2Aug 24, 2021
Integrated optical resonant detector
RAYTHEON CO16 citations86
US11012160B2May 18, 2021
Phase change detection in optical signals
RAYTHEON CO15 citations86
US10826603B1Nov 3, 2020
Method for cavity tuning using reflected signal measurement
RAYTHEON CO17 citations86
US10686533B2Jun 16, 2020
Balanced optical receivers and methods for detecting optical communication signals
RAYTHEON CO18 citations86
US10637580B2Apr 28, 2020
Balanced optical receivers and methods for detecting free-space optical communication signals
RAYTHEON CO17 citations86
US10571774B2Feb 25, 2020
Demodulation of phase modulated signals using threshold detection
RAYTHEON CO16 citations86
US10530494B2Jan 7, 2020
Systems and methods for detection and demodulation of optical communication signals
RAYTHEON CO16 citations86
US10498464B2Dec 3, 2019
Systems and methods for concealing waveform properties
RAYTHEON CO16 citations86
US10378880B2Aug 13, 2019
Systems and methods for precise measurement of transparent objects
RAYTHEON CO15 citations86
US9989989B2Jun 5, 2018
System and method to detect time-delays in non-periodic signals
RAYTHEON CO7 citations84
US9692139B2Jun 27, 2017
Methods and apparatus for orbital angular momentum (OAM) system
RAYTHEON CO7 citations84
US9535245B1Jan 3, 2017
Methods and apparatus for deceiving optical augmentation
RAYTHEON CO19 citations84
US9400414B2Jul 26, 2016
Methods and apparatus for imaging without retro-reflection using a tilted image plane and structured relay optic
RAYTHEON CO19 citations84
US9900031B2Feb 20, 2018
Method and system for non-persistent communication
RAYTHEON CO7 citations77
US11595129B2Feb 28, 2023
Method for fully-networkable single aperture free-space optical transceiver
RAYTHEON CO4 citations75
US11743083B2Aug 29, 2023
Methods and apparatus for phase change detection using a resonator
RAYTHEON CO2 citations73
US11681169B2Jun 20, 2023
Electrically configurable optical filters
RAYTHEON CO2 citations73
US11411654B1Aug 9, 2022
Method for generating a constant envelope waveform when encoding multiple sub channels on the same carrier
RAYTHEON CO2 citations73
US11374659B2Jun 28, 2022
Acoustic to optical communications systems and methods
RAYTHEON CO2 citations73
US11353774B2Jun 7, 2022
Methods and apparatus for cavity length tuning for operating point optimization
RAYTHEON CO2 citations73
US11309964B1Apr 19, 2022
Method to reduce optical signal fading in signal receive aperture
RAYTHEON CO3 citations73
US11303356B1Apr 12, 2022
Methods and apparatus for maintaining receiver operating point with changing angle-of-arrival of a received signal
RAYTHEON CO3 citations73
US11290191B2Mar 29, 2022
Methods and apparatus for tracking moving objects using symmetric phase change detection
RAYTHEON CO3 citations73
US11258516B2Feb 22, 2022
Methods and apparatus for transmission of low photon density optical signals
RAYTHEON CO4 citations73
US10091039B2Oct 2, 2018
Precision large phase modulation phase measurement system
RAYTHEON CO2 citations73
US9621178B2Apr 11, 2017
Clock authentication circuitry for clock signals
RAYTHEON CO2 citations73
US11307395B2Apr 19, 2022
Methods and apparatus for optical path length equalization in an optical cavity
RAYTHEON CO3 citations69
US12362975B2Jul 15, 2025
Methods and apparatus for phase change detection using a resonator
RAYTHEON CO0 citations63
US12189221B2Jan 7, 2025
Electrically configurable optical filters
RAYTHEON CO0 citations63
Showing the top 50 of 63 patents by PatentIndex Score.