Inventor
YOUN CHUN-JU
KR26 patents
⚠️ This page may combine multiple inventors who share the name “YOUN CHUN-JU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTRONICS & TELECOMMUNICATIONS RES INST
8 patentsUS9710231B2Jul 18, 2017
Multiple output quantum random number generator
ELECTRONICS & TELECOMMUNICATIONS RES INST7 citations83
US9893810B2Feb 13, 2018
Receiver optical module
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations71
US12228777B2Feb 18, 2025
Optical alignment device
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations62
US12375183B2Jul 29, 2025
Beam tracking module, free-space quantum communication device, and free-space optical communication device
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations58
US12388630B2Aug 12, 2025
Quantum key distribution system and operation method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations49
US11522618B2Dec 6, 2022
Quantum information transmitter, quantum communication system including the same, and operating method of quantum information transmitter
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations49
US11770245B2Sep 26, 2023
Quantum key distribution system and operation method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations47
US11860376B2Jan 2, 2024
Polarization decomposition device
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations46
YOUN CHUN JU
5 patentsUS8477939B2Jul 2, 2013
Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system
YOUN CHUN JU10 citations82
US8693459B2Apr 8, 2014
Polarization division multiplexed optical orthogonal frequency division multiplexing transmitter and receiver
YOUN CHUN JU9 citations81
US8116636B2Feb 14, 2012
Transceiver and method for high-speed auto-compensating quantum cryptography
YOUN CHUN JU11 citations80
US9270381B2Feb 23, 2016
Method and apparatus for transmitting and receiving coherent optical OFDM
YOUN CHUN JU4 citations72
US8521040B2Aug 27, 2013
Optical orthogonal frequency division multiplexing receiver and optical signal receiving method thereof
YOUN CHUN JU4 citations62
SAMSUNG ELECTRONICS CO LTD
5 patentsUS7933520B2Apr 26, 2011
High-speed wavelength selectable optical source and method thereof
SAMSUNG ELECTRONICS CO LTD2 citations61
US7844185B2Nov 30, 2010
Method and apparatus for suppressing optical surge in optical burst switching network
SAMSUNG ELECTRONICS CO LTD2 citations61
US7769293B2Aug 3, 2010
Apparatus and method for label transmission in optical packet data switching network
SAMSUNG ELECTRONICS CO LTD2 citations61
US7539415B2May 26, 2009
Optical packet communication system using labeling of wavelength-offset polarization-division multiplexing
SAMSUNG ELECTRONICS CO LTD6 citations61
US7095551B2Aug 22, 2006
Wavelength converter for generating wavelength tunable laser optical source in itself
SAMSUNG ELECTRONICS CO LTD1 citations51
KOREA ELECTRONICS TELECOMM
3 patentsUS8929731B2Jan 6, 2015
Apparatus for measuring performance of coherent optical receiver
KOREA ELECTRONICS TELECOMM11 citations84
US9166680B2Oct 20, 2015
Apparatus and method for measuring IQ imbalance for optical receiver
KOREA ELECTRONICS TELECOMM0 citations41
US9031421B2May 12, 2015
Measuring device and method of measuring signal transmission time difference thereof
KOREA ELECTRONICS TELECOMM0 citations41