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Title: Balanced light detector

Abstract

A system and method with AC coupling that reserves photodiode bandwidth in a biased configuration, allows optimal transimpedance amplifier performance, retains DC signal measurement capability, and does not introduce noise into the balanced detection signal.

Inventors:
Issue Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1840443
Patent Number(s):
11118964
Application Number:
16/998,678
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 08/20/2020
Country of Publication:
United States
Language:
English

Citation Formats

Williams, Brian P. Balanced light detector. United States: N. p., 2021. Web.
Williams, Brian P. Balanced light detector. United States.
Williams, Brian P. Tue . "Balanced light detector". United States. https://www.osti.gov/servlets/purl/1840443.
@article{osti_1840443,
title = {Balanced light detector},
author = {Williams, Brian P.},
abstractNote = {A system and method with AC coupling that reserves photodiode bandwidth in a biased configuration, allows optimal transimpedance amplifier performance, retains DC signal measurement capability, and does not introduce noise into the balanced detection signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {9}
}

Works referenced in this record:

Quantum Key Distribution Using a Thermal Source
patent-application, May 2020


Balanced detection for interferometry with a noisy source
journal, June 2012


Balanced Light Detector
patent-application, February 2021


Offset Current Compensation for Photodiodes
patent-application, November 2015