P

Inventor

KIM KWANG-JOON

KR37 patents
⚠️ This page may combine multiple inventors who share the name “KIM KWANG-JOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOREA ELECTRONICS TELECOMM

24 patents
US6559989B1May 6, 2003

Optical packet header processing apparatus for optical packet switch

KOREA ELECTRONICS TELECOMM41 citations92
US6529319B2Mar 4, 2003

Automatic gain-controlled optical fiber amplifier

KOREA ELECTRONICS TELECOMM53 citations92
US5770851AJun 23, 1998

Compact optical logic operator array

KOREA ELECTRONICS TELECOMM21 citations92
US6097529AAug 1, 2000

Apparatus for enhancing extinction ratio in optical NRZ-to-RZ converting system, and optical modulation system therefor

KOREA ELECTRONICS TELECOMM24 citations90
US7313333B2Dec 25, 2007

Apparatus for controlling decision threshold voltage to optical receiver

KOREA ELECTRONICS TELECOMM12 citations84
US7133196B1Nov 7, 2006

Erbium doped fiber amplifier for reducing transient phenomena of OSNR and BER in dynamic WDM system and amplifying method thereof

KOREA ELECTRONICS TELECOMM11 citations84
US6570698B2May 27, 2003

Apparatus and method for modulating optical intensity with amplitude noise suppressed by using linear optical modulator

KOREA ELECTRONICS TELECOMM15 citations84
US6928243B2Aug 9, 2005

Optical performance monitoring apparatus for a WDM optical communication system

KOREA ELECTRONICS TELECOMM17 citations83
US8355612B2Jan 15, 2013

Active alignment method for multi-channel optical transmitter and receiver, which has an optical signal generator with an optical multiplexer, which has an optical signal generator with an optical multiplexer

KOREA ELECTRONICS TELECOMM5 citations73
US7049902B2May 23, 2006

Tunable high-order bessel low pass filter

KOREA ELECTRONICS TELECOMM8 citations73
US6791685B2Sep 14, 2004

Optical signal performance monitoring apparatus and method in multi-channel optical transmission system

KOREA ELECTRONICS TELECOMM7 citations73
US7394983B2Jul 1, 2008

Method and apparatus for detecting optical switch fault by monitoring optical output transitions

KOREA ELECTRONICS TELECOMM7 citations72
US8036527B2Oct 11, 2011

Apparatus and method for protection switching of optical channel

KOREA ELECTRONICS TELECOMM3 citations63
US7676155B2Mar 9, 2010

Dynamic wavelength allocation device using 3R wavelength converter having limited wavelength conversion range and method thereof

KOREA ELECTRONICS TELECOMM5 citations62
US7356220B2Apr 8, 2008

Apparatus and method for reducing signal noise and OCDMA receiver and method

KOREA ELECTRONICS TELECOMM4 citations62
US6606190B2Aug 12, 2003

Inhomogeneity tunable erbium-doped fiber amplifier with long wavelength gain band and method of blocking propagation of backward amplified spontaneous light emission in the same

KOREA ELECTRONICS TELECOMM3 citations62
US6060704AMay 9, 2000

Photodetector for simultaneous recognition of multiple wavelengths, and method therefor

KOREA ELECTRONICS TELECOMM6 citations62
US5751468AMay 12, 1998

Vertical modulator with dual mode DBR

KOREA ELECTRONICS TELECOMM3 citations62
US7755073B2Jul 13, 2010

Acousto-optic filter and optical CDMA system using the same

KOREA ELECTRONICS TELECOMM4 citations61
US7075694B2Jul 11, 2006

Apparatus and method for automatically correcting bias voltage for carrier suppressed pulse generating modulator

KOREA ELECTRONICS TELECOMM3 citations61
US7486890B2Feb 3, 2009

Optical transmission apparatus and method

KOREA ELECTRONICS TELECOMM0 citations52
US6028301AFeb 22, 2000

Method for controlling a micro electro-mechanical systems and verifying the state thereof using light

KOREA ELECTRONICS TELECOMM1 citations52
US6115375ASep 5, 2000

Multistage optical packet switching apparatus using self electro-optic-effect devices

KOREA ELECTRONICS TELECOMM1 citations51
US7266309B2Sep 4, 2007

Apparatus and method for stabilizing bias voltage for pulse generating modulator

KOREA ELECTRONICS TELECOMM0 citations40

CHUNG HWAN-SEOK

5 patents

ELECT & TELECOMM RESEARCH INST

2 patents

ELECTRONICS & TELECOMMUNICATIONS RES INST

2 patents

CHANG SUN-HYOK

1 patent

KOREA ADVANCED INST SCIENCE AN

1 patent

AHN KYE-HYUN

1 patent

HAN KYEONG-EUN

1 patent