Chun-Ju Youn

Person

Daejon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Polarization decomposition device
- Patent number 11,860,376
- Issue date Jan 2, 2024
- Electronics and Telecommunications Research Institute
- Kap-Joong Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantum key distribution system and operation method thereof
- Patent number 11,770,245
- Issue date Sep 26, 2023
- Electronics and Telecommunications Research Institute
- Kyongchun Lim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantum information transmitter, quantum communication system inclu...
- Patent number 11,522,618
- Issue date Dec 6, 2022
- Electronics and Telecommunications Research Institute
- Kyongchun Lim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver optical module
- Patent number 9,893,810
- Issue date Feb 13, 2018
- Electronics and Telecommunications Research Institute
- Seo Young Lee
- G02 - OPTICS
Information Patent Grant
Multiple output quantum random number generator
- Patent number 9,710,231
- Issue date Jul 18, 2017
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and receiving coherent optica...
- Patent number 9,270,381
- Issue date Feb 23, 2016
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for measuring IQ imbalance for optical receiver
- Patent number 9,166,680
- Issue date Oct 20, 2015
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Measuring device and method of measuring signal transmission time d...
- Patent number 9,031,421
- Issue date May 12, 2015
- Electronics and Telecommunications Research Institute
- Joong-Seon Choe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for measuring performance of coherent optical receiver
- Patent number 8,929,731
- Issue date Jan 6, 2015
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization division multiplexed optical orthogonal frequency divi...
- Patent number 8,693,459
- Issue date Apr 8, 2014
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical orthogonal frequency division multiplexing receiver and opt...
- Patent number 8,521,040
- Issue date Aug 27, 2013
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-insensitive one-way quantum key distribution receiver,...
- Patent number 8,477,939
- Issue date Jul 2, 2013
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adapter assembly and method for compensating optical fibers for len...
- Patent number 8,272,789
- Issue date Sep 25, 2012
- Electronics and Telecommunications Research Institute
- Joong-Seon Choe
- G02 - OPTICS
Information Patent Grant
Polarization coding quantum cryptography system
- Patent number 8,265,279
- Issue date Sep 11, 2012
- Electronics and Telecommunications Research Institute
- Chun-Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transceiver and method for high-speed auto-compensating quantum cry...
- Patent number 8,116,636
- Issue date Feb 14, 2012
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR GENERATING AND SPLITTING POLARIZED LIGHT
- Publication number 20240168307
- Publication date May 23, 2024
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kap Joong KIM
- G02 - OPTICS
Information Patent Application
BEAM TRACKING MODULE, FREE-SPACE QUANTUM COMMUNICATION DEVICE, AND...
- Publication number 20230361884
- Publication date Nov 9, 2023
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Minchul KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QUANTUM KEY DISTRIBUTION SYSTEM AND OPERATION METHOD THEREOF
- Publication number 20230283459
- Publication date Sep 7, 2023
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kyongchun LIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ALIGNMENT DEVICE
- Publication number 20230258885
- Publication date Aug 17, 2023
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon CHOE
- G02 - OPTICS
Information Patent Application
QUANTUM KEY DISTRIBUTION SYSTEM AND OPERATION METHOD THEREOF
- Publication number 20220141008
- Publication date May 5, 2022
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kyongchun LIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT MODULATION DEVICE
- Publication number 20220066245
- Publication date Mar 3, 2022
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kap-Joong KIM
- G02 - OPTICS
Information Patent Application
QUANTUM INFORMATION TRANSMITTER, QUANTUM COMMUNICATION SYSTEM INCLU...
- Publication number 20210306077
- Publication date Sep 30, 2021
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kyongchun LIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION DECOMPOSITION DEVICE
- Publication number 20190353918
- Publication date Nov 21, 2019
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kap-Joong Kim
- G02 - OPTICS
Information Patent Application
POLARIZATION SPLITTING AND COMBINING APPARATUS
- Publication number 20190162986
- Publication date May 30, 2019
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon Choe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE OUTPUT QUANTUM RANDOM NUMBER GENERATOR
- Publication number 20160335054
- Publication date Nov 17, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECEIVER OPTICAL MODULE
- Publication number 20160336368
- Publication date Nov 17, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seo Young LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEASURING DEVICE AND METHOD OF MEASURING SIGNAL TRANSMISSION TIME D...
- Publication number 20140205280
- Publication date Jul 24, 2014
- Joong-Seon CHOE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR MEASURING IQ IMBALANCE FOR OPTICAL RECEIVER
- Publication number 20140169786
- Publication date Jun 19, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLE MULTIPLEXING RECEIVE...
- Publication number 20130308949
- Publication date Nov 21, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORE AND OPTICAL WAVEGUIDE
- Publication number 20130156362
- Publication date Jun 20, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Duk Jun KIM
- G02 - OPTICS
Information Patent Application
OPTICAL COMMUNICATION MODULE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20130156394
- Publication date Jun 20, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon CHOE
- G02 - OPTICS
Information Patent Application
APPARATUS FOR MEASURING PERFORMANCE OF COHERENT OPTICAL RECEIVER
- Publication number 20130156424
- Publication date Jun 20, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING COHERENT OPTICA...
- Publication number 20120155887
- Publication date Jun 21, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULE COMPRISING OPTICAL HYBRID USING METAL OPTICAL WAVEGU...
- Publication number 20120132792
- Publication date May 31, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon Choe
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE STRUCTURE HAVING ANGLED MIRROR AND LENS
- Publication number 20120114293
- Publication date May 10, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon Choe
- G02 - OPTICS
Information Patent Application
ADAPTER ASSEMBLY AND METHOD FOR COMPENSATING OPTICAL FIBERS FOR LEN...
- Publication number 20110142398
- Publication date Jun 16, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Joong-Seon Choe
- G02 - OPTICS
Information Patent Application
OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING RECEIVER AND OPT...
- Publication number 20110135319
- Publication date Jun 9, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION DIVISION MULTIPLEXED OPTICAL ORTHOGONAL FREQUENCY DIVI...
- Publication number 20110096855
- Publication date Apr 28, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION SPLITTER, OPTICAL HYBRID AND OPTICAL RECEIVER INCLUDIN...
- Publication number 20110064422
- Publication date Mar 17, 2011
- ELECTRONICS AND ELECOMMUNICATIONS RESEARCH INSTITUTE
- Jong-Hoi Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION CODING QUANTUM CRYPTOGRAPHY SYSTEM
- Publication number 20100158252
- Publication date Jun 24, 2010
- Electronics and Telecommunication Research Institute
- Chun-Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION-INSENSITIVE ONE-WAY QUANTUM KEY DISTRIBUTION RECEIVER,...
- Publication number 20100002881
- Publication date Jan 7, 2010
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transceiver and Method for High-Speed Auto-Compensating Quantum Cry...
- Publication number 20080260393
- Publication date Oct 23, 2008
- Electronics and Telecommunications Research
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Chun-Ju Youn

Person

Patents Grantslast 30 patents

Polarization decomposition device

Quantum key distribution system and operation method thereof

Quantum information transmitter, quantum communication system inclu...

Receiver optical module

Multiple output quantum random number generator

Method and apparatus for transmitting and receiving coherent optica...

Apparatus and method for measuring IQ imbalance for optical receiver

Measuring device and method of measuring signal transmission time d...

Apparatus for measuring performance of coherent optical receiver

Polarization division multiplexed optical orthogonal frequency divi...

Optical orthogonal frequency division multiplexing receiver and opt...

Polarization-insensitive one-way quantum key distribution receiver,...

Adapter assembly and method for compensating optical fibers for len...

Polarization coding quantum cryptography system

Transceiver and method for high-speed auto-compensating quantum cry...

Patents Applicationslast 30 patents

DEVICE FOR GENERATING AND SPLITTING POLARIZED LIGHT

BEAM TRACKING MODULE, FREE-SPACE QUANTUM COMMUNICATION DEVICE, AND...

QUANTUM KEY DISTRIBUTION SYSTEM AND OPERATION METHOD THEREOF

OPTICAL ALIGNMENT DEVICE

QUANTUM KEY DISTRIBUTION SYSTEM AND OPERATION METHOD THEREOF

LIGHT MODULATION DEVICE

QUANTUM INFORMATION TRANSMITTER, QUANTUM COMMUNICATION SYSTEM INCLU...

POLARIZATION DECOMPOSITION DEVICE

POLARIZATION SPLITTING AND COMBINING APPARATUS

MULTIPLE OUTPUT QUANTUM RANDOM NUMBER GENERATOR

RECEIVER OPTICAL MODULE

MEASURING DEVICE AND METHOD OF MEASURING SIGNAL TRANSMISSION TIME D...

APPARATUS AND METHOD FOR MEASURING IQ IMBALANCE FOR OPTICAL RECEIVER

OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLE MULTIPLEXING RECEIVE...

CORE AND OPTICAL WAVEGUIDE

OPTICAL COMMUNICATION MODULE AND METHOD OF MANUFACTURING THE SAME

APPARATUS FOR MEASURING PERFORMANCE OF COHERENT OPTICAL RECEIVER

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING COHERENT OPTICA...

OPTICAL MODULE COMPRISING OPTICAL HYBRID USING METAL OPTICAL WAVEGU...

OPTICAL WAVEGUIDE STRUCTURE HAVING ANGLED MIRROR AND LENS

ADAPTER ASSEMBLY AND METHOD FOR COMPENSATING OPTICAL FIBERS FOR LEN...

OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING RECEIVER AND OPT...

POLARIZATION DIVISION MULTIPLEXED OPTICAL ORTHOGONAL FREQUENCY DIVI...

POLARIZATION SPLITTER, OPTICAL HYBRID AND OPTICAL RECEIVER INCLUDIN...

POLARIZATION CODING QUANTUM CRYPTOGRAPHY SYSTEM

POLARIZATION-INSENSITIVE ONE-WAY QUANTUM KEY DISTRIBUTION RECEIVER,...

Transceiver and Method for High-Speed Auto-Compensating Quantum Cry...