Inventor

LEE EL-HANG

KR35 patents

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

LEE EL-HANG

KOREA ELECTRONICS TELECOMM

Optical fiber raman laser

Wavelength tunable mode-locking optical fiber laser

Single mode surface emitting laser

Optical fiber Mach-Zehnder interferometer filter

Multi-wavelength channel transmission filter

Growing method of GaAs quantum dots using chemical beam epitaxy

Optical fiber laser and a method of locking a combined mode utilizing thereof

Dual cavity laser

Optical fiber laser

Method for manufacturing a single electron transistor by using a scanning tunneling microscopy

All-optical signal processing apparatus of non-linear fiber loop mirror type

Wavelength-varying multi-wavelength optical filter laser using a single pump light source

Metal/semiconductor junction Schottky diode optical device using a distortion grown layer

Bidirectional multi-channel optical ring network using WDM techniques

Formation of InGaSa p-n Junction by control of growth temperature

Multi-wavelength channel transmission-type optical filter

Planar integrated crossover optical system

Method of fabricating a quantum device

Semiconductor laser device for pulse laser oscillation

Measurement of nonlinear refractive index coefficient of optical fiber by Sagnac interferometer

Crystal growth method for compound semiconductor

Wavelength division demultiplexing device, and system using it

Photodetector for simultaneous recognition of multiple wavelengths, and method therefor

Linear motion apparatus under ultra high vacuum

Method for forming a high density quantum wire

Fabricating method of GaAs substrate having V-shaped grooves

Vertical modulator with dual mode DBR

Apparatus for adsorbing atomic hydrogen on surface

Fiber-optic address detector in photonic packet switching device and method for fabricating the same

Method for manufacturing quantum wires

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

Nonbiased bistable optical device having a lower mirror having a plurality of reflective layers repeatedly formed on a substrate

AMERICAN TELEPHONE & TELEGRAPH

Method for heteroepitaxial growth using multiple MBE chambers

ELECTRONICS AND TELECOMMUNCATI

Ultrafast optical switching device having a double-junction multiple quantum well structure

KIM KYONG-HON

System for measuring electro-optic coefficient by using interference fringe measurement, and method of measuring electro-optic coefficient by using the system