System and method for measuring the phase of a modulated optical signal
GS Kanter - US Patent 9,213,085, 2015 - Google Patents
The invention is related to phase detection in lidar systems using single photon detectors
(SPDs). The frequency at which the SPDs are time gated is related to but not an integer mul …
(SPDs). The frequency at which the SPDs are time gated is related to but not an integer mul …
High-repetition-rate single-photon receiver and method therefor
WP Mordarski, MA Itzler - US Patent 8,796,605, 2014 - Google Patents
A single-photon receiver and method for detecting a single-photon are presented. The
receiver comprises a SPAD that receives a gating signal having a fundamental frequency in …
receiver comprises a SPAD that receives a gating signal having a fundamental frequency in …
Fast-gated photodetector architectures comprising dual voltage sources with a switch configuration
B Do Valle, R Jin, J Dahle, H Katnani - US Patent 10,158,038, 2018 - Google Patents
An exemplary photodetector includes a SPAD and a capaci tor. The capacitor is configured
to be charged, while the SPAD is in a disarmed state, with a bias voltage by a voltage …
to be charged, while the SPAD is in a disarmed state, with a bias voltage by a voltage …
Stacked photodetector assemblies
R Field, H Katnani, B Do Valle, R Jin… - US Patent 10,515,993, 2019 - Google Patents
An exemplary stacked photodetector assembly includes a first wafer and a second wafer
bonded to the first wafer. The first wafer includes a SPAD and has a thickness T1 config ured …
bonded to the first wafer. The first wafer includes a SPAD and has a thickness T1 config ured …
Spatial and temporal-based diffusive correlation spectroscopy systems and methods
US11213245B2 - Spatial and temporal-based diffusive correlation spectroscopy systems
and methods - Google Patents US11213245B2 - Spatial and temporal-based diffusive …
and methods - Google Patents US11213245B2 - Spatial and temporal-based diffusive …
Wearable systems with stacked photodetector assemblies
R Field, H Katnani, B Do Valle, R Jin… - US Patent 10,847,563, 2020 - Google Patents
HOIL 27/146(2006.01) HOIL 31/107(2006.01) A61B 5/04(2006.01)(52) US CI. CPC.. HOIL
27/14634 (2013.01); HOIL 27/14623 (2013.01); HOIL 27/14629 (2013.01); HOIL 31/107 …
27/14634 (2013.01); HOIL 27/14623 (2013.01); HOIL 27/14629 (2013.01); HOIL 31/107 …
Single photon detector in the near infrared using an InGaAs/InP avalanche photodiode operated with a bipolar rectangular gating signal
A Bouzid, SW Moon, DH Yi, SM Kim - US Patent 9,029,774, 2015 - Google Patents
The present invention relates to a single photon detector (SPD) at telecom wavelength of
1.55 um based on InCaAs/InPavalanche photodiode (APD). In order to operate the SPD at a …
1.55 um based on InCaAs/InPavalanche photodiode (APD). In order to operate the SPD at a …
Biofeedback for awareness and modulation of mental state using a non-invasive brain interface system and method
B Johnson, H Katnani - US Patent 11,006,876, 2021 - Google Patents
A mental state awareness system comprises a non-invasive brain interface assembly
configured for detecting brain activity of a user, a processor configured for determining a …
configured for detecting brain activity of a user, a processor configured for determining a …
Photon detector
Z Yuan, AJ Shields - US Patent 9,377,356, 2016 - Google Patents
(57) ABSTRACT A photon detection system including a photon detector con figured to detect
single photons, a signal divider to divide the output signal of the photon detector into a first …
single photons, a signal divider to divide the output signal of the photon detector into a first …
Receiver for a quantum communication system
Z Yuan, AJ Shields - US Patent 8,890,049, 2014 - Google Patents
A photon detection system including: an avalanche photodiode; a biasing circuit configured
to reverse bias the avalanche photodiode; a first measuring circuit configured to measure …
to reverse bias the avalanche photodiode; a first measuring circuit configured to measure …