Inventor
LEE HAK KYU
KR24 patents
⚠️ This page may combine multiple inventors who share the name “LEE HAK KYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
20 patentsUS5812567ASep 22, 1998
Wavelength tunable mode-locking optical fiber laser
KOREA ELECTRONICS TELECOMM89 citations96
US6556596B1Apr 29, 2003
Apparatus for generating an optical fiber laser capable of tuning a wavelength thereof
KOREA ELECTRONICS TELECOMM35 citations92
US6459846B1Oct 1, 2002
Complex rare-earths doped optical waveguide
KOREA ELECTRONICS TELECOMM22 citations92
US6426965B1Jul 30, 2002
Optical fiber cascaded Raman laser scheme
KOREA ELECTRONICS TELECOMM31 citations92
US6160627ADec 12, 2000
Optical fiber Mach-Zehnder interferometer filter
KOREA ELECTRONICS TELECOMM33 citations92
US6101027AAug 8, 2000
All-optical wavelength converter using a semiconductor optical amplifier and a polarization interferometer
KOREA ELECTRONICS TELECOMM22 citations92
US6097861AAug 1, 2000
Multi-wavelength channel transmission filter
KOREA ELECTRONICS TELECOMM24 citations92
US5999545ADec 7, 1999
Optical fiber laser and a method of locking a combined mode utilizing thereof
KOREA ELECTRONICS TELECOMM36 citations92
US5734665AMar 31, 1998
Optical fiber laser
KOREA ELECTRONICS TELECOMM42 citations92
US5592319AJan 7, 1997
All-optical signal processing apparatus of non-linear fiber loop mirror type
KOREA ELECTRONICS TELECOMM21 citations92
US5524118AJun 4, 1996
Wavelength-varying multi-wavelength optical filter laser using a single pump light source
KOREA ELECTRONICS TELECOMM42 citations92
US6560251B1May 6, 2003
Mode-locked laser stabilizing apparatus and method thereof
KOREA ELECTRONICS TELECOMM15 citations84
US6298074B1Oct 2, 2001
Mode-locked fiber laser and fiber amplifier using single pump laser
KOREA ELECTRONICS TELECOMM16 citations83
US6266458B1Jul 24, 2001
Tunable optical filtering system using fiber-optic polarimetric interferometer
KOREA ELECTRONICS TELECOMM9 citations74
US6055345AApr 25, 2000
Multi-wavelength channel transmission-type optical filter
KOREA ELECTRONICS TELECOMM8 citations74
US6404788B1Jun 11, 2002
Cr and Yb codoped optical material systems for enhanced infrared fluorescence emission and their application schemes
KOREA ELECTRONICS TELECOMM9 citations73
US5774217AJun 30, 1998
Measurement of nonlinear refractive index coefficient of optical fiber by Sagnac interferometer
KOREA ELECTRONICS TELECOMM13 citations73
US6256432B1Jul 3, 2001
Polarization independent all-optical demultiplexer
KOREA ELECTRONICS TELECOMM8 citations70
US6266145B1Jul 24, 2001
Apparatus for measurement of an optical pulse shape
KOREA ELECTRONICS TELECOMM5 citations63
US6538804B1Mar 25, 2003
Planar waveguide-type optical amplifier switch
KOREA ELECTRONICS TELECOMM2 citations62